55231452 has 18 divisors (see below), whose sum is σ = 139612928. Its totient is φ = 18410472.

The previous prime is 55231447. The next prime is 55231471. The reversal of 55231452 is 25413255.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 767068 + ... + 767139.

Almost surely, 2^55231452 is an apocalyptic number.

It is an amenable number.

55231452 is an abundant number, since it is smaller than the sum of its proper divisors (84381476).

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

55231452 is a wasteful number, since it uses less digits than its factorization.

55231452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1534217 (or 1534212 counting only the distinct ones).

The product of its digits is 6000, while the sum is 27.

The square root of 55231452 is about 7431.7865954291. The cubic root of 55231452 is about 380.8279546452.

The spelling of 55231452 in words is "fifty-five million, two hundred thirty-one thousand, four hundred fifty-two".