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55370669 = 91960251
BaseRepresentation
bin1101001100111…
…0001110101101
310212012010021112
43103032032231
5103133330134
65254441405
71241433344
oct323161655
9125163245
1055370669
1129289892
1216663265
13b618b13
1474d4b5b
154cdb1ce
hex34ce3ad

55370669 has 4 divisors (see below), whose sum is σ = 55431840. Its totient is φ = 55309500.

The previous prime is 55370663. The next prime is 55370671. The reversal of 55370669 is 96607355.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55370669 - 212 = 55366573 is a prime.

It is a super-2 number, since 2×553706692 = 6131821971015122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55370663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29207 + ... + 31044.

It is an arithmetic number, because the mean of its divisors is an integer number (13857960).

Almost surely, 255370669 is an apocalyptic number.

It is an amenable number.

55370669 is a deficient number, since it is larger than the sum of its proper divisors (61171).

55370669 is an equidigital number, since it uses as much as digits as its factorization.

55370669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61170.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 55370669 is about 7441.1470217971. The cubic root of 55370669 is about 381.1476592098.

The spelling of 55370669 in words is "fifty-five million, three hundred seventy thousand, six hundred sixty-nine".

Divisors: 1 919 60251 55370669