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55371070332 = 22321538085287
BaseRepresentation
bin110011100100010111…
…110111101101111100
312021220220102210222200
4303210113313231330
51401344443222312
641234230111500
74000101221634
oct634427675574
9167826383880
1055371070332
1121534586756
12a8937ab590
1352b5751156
142973bc56c4
1516911980dc
hexce45f7b7c

55371070332 has 18 divisors (see below), whose sum is σ = 139965761208. Its totient is φ = 18457023432.

The previous prime is 55371070327. The next prime is 55371070367. The reversal of 55371070332 is 23307017355.

55371070332 is a `hidden beast` number, since 553 + 7 + 1 + 0 + 70 + 3 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×553710703322 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1538085287 = 55371070332 / (5 + 5 + 3 + 7 + 1 + 0 + 7 + 0 + 3 + 3 + 2).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769042608 + ... + 769042679.

Almost surely, 255371070332 is an apocalyptic number.

It is an amenable number.

55371070332 is an abundant number, since it is smaller than the sum of its proper divisors (84594690876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55371070332 is a wasteful number, since it uses less digits than its factorization.

55371070332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1538085297 (or 1538085292 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 36.

Adding to 55371070332 its reverse (23307017355), we get a palindrome (78678087687).

The spelling of 55371070332 in words is "fifty-five billion, three hundred seventy-one million, seventy thousand, three hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 36 1538085287 3076170574 4614255861 6152341148 9228511722 13842767583 18457023444 27685535166 55371070332