55403652 has 24 divisors (see below), whose sum is σ = 132770176. Its totient is φ = 17968608.

The previous prime is 55403633. The next prime is 55403653. The reversal of 55403652 is 25630455.

It is not an unprimeable number, because it can be changed into a prime (55403653) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 61948 + ... + 62835.

Almost surely, 2^55403652 is an apocalyptic number.

It is an amenable number.

55403652 is an abundant number, since it is smaller than the sum of its proper divisors (77366524).

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

55403652 is a wasteful number, since it uses less digits than its factorization.

55403652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124827 (or 124825 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 55403652 is about 7443.3629496351. The cubic root of 55403652 is about 381.2233244079.

The spelling of 55403652 in words is "fifty-five million, four hundred three thousand, six hundred fifty-two".