55708250 has 64 divisors (see below), whose sum is σ = 114555168. Its totient is φ = 20160000.

The previous prime is 55708229. The next prime is 55708283. The reversal of 55708250 is 5280755.

It is a happy number.

It can be written as a sum of positive squares in 16 ways, for example, as 18826921 + 36881329 = 4339^2 + 6073^2 .

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 31 ways as a sum of consecutive naturals, for example, 198110 + ... + 198390.

Almost surely, 2^55708250 is an apocalyptic number.

55708250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55708250 is an abundant number, since it is smaller than the sum of its proper divisors (58846918).

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

55708250 is a wasteful number, since it uses less digits than its factorization.

55708250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 55708250 is about 7463.7959511230. The cubic root of 55708250 is about 381.9206774069.

The spelling of 55708250 in words is "fifty-five million, seven hundred eight thousand, two hundred fifty".