55850904 has 32 divisors (see below), whose sum is σ = 155142000. Its totient is φ = 18616896.

The previous prime is 55850903. The next prime is 55850911. The reversal of 55850904 is 40905855.

It is a happy number.

55850904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55850903) 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 7 ways as a sum of consecutive naturals, for example, 129069 + ... + 129500.

Almost surely, 2^55850904 is an apocalyptic number.

55850904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55850904 is an abundant number, since it is smaller than the sum of its proper divisors (99291096).

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

55850904 is a wasteful number, since it uses less digits than its factorization.

55850904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258584 (or 258574 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 55850904 is about 7473.3462384664. The cubic root of 55850904 is about 382.2463986020.

The spelling of 55850904 in words is "fifty-five million, eight hundred fifty thousand, nine hundred four".