55655031 has 8 divisors (see below), whose sum is σ = 76765680. Its totient is φ = 35823872.

The previous prime is 55655027. The next prime is 55655053. The reversal of 55655031 is 13055655.

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 55655031 - 2² = 55655027 is a prime.

It is a super-2 number, since 2×55655031² = 6194964951221922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55655031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55655021) 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, 319770 + ... + 319943.

It is an arithmetic number, because the mean of its divisors is an integer number (9595710).

Almost surely, 2^55655031 is an apocalyptic number.

55655031 is a deficient number, since it is larger than the sum of its proper divisors (21110649).

55655031 is a wasteful number, since it uses less digits than its factorization.

55655031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639745.

The product of its (nonzero) digits is 11250, while the sum is 30.

The square root of 55655031 is about 7460.2299562413. The cubic root of 55655031 is about 381.7990203072.

The spelling of 55655031 in words is "fifty-five million, six hundred fifty-five thousand, thirty-one".