55973250 has 48 divisors (see below), whose sum is σ = 151357752. Its totient is φ = 14925600.

The previous prime is 55973249. The next prime is 55973263. The reversal of 55973250 is 5237955.

It can be written as a sum of positive squares in 4 ways, for example, as 2259009 + 53714241 = 1503^2 + 7329^2 .

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 23 ways as a sum of consecutive naturals, for example, 10189 + ... + 14688.

Almost surely, 2^55973250 is an apocalyptic number.

55973250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55973250 is an abundant number, since it is smaller than the sum of its proper divisors (95384502).

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

55973250 is a wasteful number, since it uses less digits than its factorization.

55973250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24900 (or 24887 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The square root of 55973250 is about 7481.5272505017. The cubic root of 55973250 is about 382.5253091032.

The spelling of 55973250 in words is "fifty-five million, nine hundred seventy-three thousand, two hundred fifty".