55652681 has 12 divisors (see below), whose sum is σ = 65212560. Its totient is φ = 47353320.

The previous prime is 55652677. The next prime is 55652687. The reversal of 55652681 is 18625655.

It is not a de Polignac number, because 55652681 - 2² = 55652677 is a prime.

It is a super-2 number, since 2×55652681² = 6194441804975522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55652687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2726 + ... + 10896.

It is an arithmetic number, because the mean of its divisors is an integer number (5434380).

Almost surely, 2^55652681 is an apocalyptic number.

It is an amenable number.

55652681 is a deficient number, since it is larger than the sum of its proper divisors (9559879).

55652681 is a wasteful number, since it uses less digits than its factorization.

55652681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8324 (or 8317 counting only the distinct ones).

The product of its digits is 72000, while the sum is 38.

The square root of 55652681 is about 7460.0724527313. The cubic root of 55652681 is about 381.7936464874.

The spelling of 55652681 in words is "fifty-five million, six hundred fifty-two thousand, six hundred eighty-one".