55931436 has 36 divisors (see below), whose sum is σ = 154236264. Its totient is φ = 16948800.

The previous prime is 55931431. The next prime is 55931437. The reversal of 55931436 is 63413955.

55931436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 55931436.

It is not an unprimeable number, because it can be changed into a prime (55931431) 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 11 ways as a sum of consecutive naturals, for example, 70225 + ... + 71016.

Almost surely, 2^55931436 is an apocalyptic number.

It is an amenable number.

55931436 is an abundant number, since it is smaller than the sum of its proper divisors (98304828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55931436 is a wasteful number, since it uses less digits than its factorization.

55931436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141262 (or 141257 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 55931436 is about 7478.7322455079. The cubic root of 55931436 is about 382.4300320566.

The spelling of 55931436 in words is "fifty-five million, nine hundred thirty-one thousand, four hundred thirty-six".