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55432002631 = 419551923971
BaseRepresentation
bin110011101000000000…
…010011110001000111
312022002011002111101111
4303220000103301013
51402011043041011
641244244105451
74001441151055
oct635000236107
9168064074344
1055432002631
1121565a14025
12a8b0095287
1352c5266575
14297bd271d5
1516966d2121
hexce8013c47

55432002631 has 8 divisors (see below), whose sum is σ = 55576684800. Its totient is φ = 55287380280.

The previous prime is 55432002611. The next prime is 55432002653. The reversal of 55432002631 is 13620023455.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55432002631 - 211 = 55432000583 is a prime.

It is a super-2 number, since 2×554320026312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55432002593 and 55432002602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55432002611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2300476 + ... + 2324446.

It is an arithmetic number, because the mean of its divisors is an integer number (6947085600).

Almost surely, 255432002631 is an apocalyptic number.

55432002631 is a deficient number, since it is larger than the sum of its proper divisors (144682169).

55432002631 is a wasteful number, since it uses less digits than its factorization.

55432002631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29909.

The product of its (nonzero) digits is 21600, while the sum is 31.

The spelling of 55432002631 in words is "fifty-five billion, four hundred thirty-two million, two thousand, six hundred thirty-one".

Divisors: 1 419 5519 23971 2312461 10043849 132295949 55432002631