55925250 has 32 divisors (see below), whose sum is σ = 139591296. Its totient is φ = 14913200.

The previous prime is 55925231. The next prime is 55925273. The reversal of 55925250 is 5252955.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 36534 + ... + 38033.

It is an arithmetic number, because the mean of its divisors is an integer number (4362228).

Almost surely, 2^55925250 is an apocalyptic number.

55925250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55925250 is an abundant number, since it is smaller than the sum of its proper divisors (83666046).

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

55925250 is a wasteful number, since it uses less digits than its factorization.

55925250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74587 (or 74577 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 33.

The square root of 55925250 is about 7478.3186613035. The cubic root of 55925250 is about 382.4159326546.

The spelling of 55925250 in words is "fifty-five million, nine hundred twenty-five thousand, two hundred fifty".