55375312 has 20 divisors (see below), whose sum is σ = 109050436. Its totient is φ = 27233280.

The previous prime is 55375303. The next prime is 55375319. The reversal of 55375312 is 21357355.

It can be written as a sum of positive squares in 2 ways, for example, as 14107536 + 41267776 = 3756^2 + 6424^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55375319) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27393 + ... + 29344.

Almost surely, 2^55375312 is an apocalyptic number.

It is an amenable number.

55375312 is a deficient number, since it is larger than the sum of its proper divisors (53675124).

55375312 is a wasteful number, since it uses less digits than its factorization.

55375312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56806 (or 56800 counting only the distinct ones).

The product of its digits is 15750, while the sum is 31.

The square root of 55375312 is about 7441.4589967291. The cubic root of 55375312 is about 381.1583123778.

The spelling of 55375312 in words is "fifty-five million, three hundred seventy-five thousand, three hundred twelve".