55131152 has 20 divisors (see below), whose sum is σ = 107412396. Its totient is φ = 27411840.

The previous prime is 55131149. The next prime is 55131163. The reversal of 55131152 is 25113155.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 430336 + 54700816 = 656^2 + 7396^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6623 + ... + 12414.

Almost surely, 2^55131152 is an apocalyptic number.

It is an amenable number.

55131152 is a deficient number, since it is larger than the sum of its proper divisors (52281244).

55131152 is a wasteful number, since it uses less digits than its factorization.

55131152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19226 (or 19220 counting only the distinct ones).

The product of its digits is 750, while the sum is 23.

The square root of 55131152 is about 7425.0354881307. The cubic root of 55131152 is about 380.5972878319.

The spelling of 55131152 in words is "fifty-five million, one hundred thirty-one thousand, one hundred fifty-two".