55576031 has 16 divisors (see below), whose sum is σ = 65410560. Its totient is φ = 46236960.

The previous prime is 55576013. The next prime is 55576049. The reversal of 55576031 is 13067555.

55576031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55576013) and next prime (55576049).

It is a de Polignac number, because none of the positive numbers 2^k-55576031 is a prime.

It is a super-2 number, since 2×55576031² = 6177390443425922, 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 (55576051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32465 + ... + 34133.

It is an arithmetic number, because the mean of its divisors is an integer number (4088160).

Almost surely, 2^55576031 is an apocalyptic number.

55576031 is a deficient number, since it is larger than the sum of its proper divisors (9834529).

55576031 is a wasteful number, since it uses less digits than its factorization.

55576031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1814.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 55576031 is about 7454.9333330352. The cubic root of 55576031 is about 381.6182854924.

The spelling of 55576031 in words is "fifty-five million, five hundred seventy-six thousand, thirty-one".