55430052 has 24 divisors (see below), whose sum is σ = 129546816. Its totient is φ = 18446688.

The previous prime is 55430051. The next prime is 55430059. The reversal of 55430052 is 25003455.

It is not an unprimeable number, because it can be changed into a prime (55430051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4713 + ... + 11535.

It is an arithmetic number, because the mean of its divisors is an integer number (5397784).

Almost surely, 2^55430052 is an apocalyptic number.

It is an amenable number.

55430052 is an abundant number, since it is smaller than the sum of its proper divisors (74116764).

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

55430052 is a wasteful number, since it uses less digits than its factorization.

55430052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7507 (or 7505 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 55430052 is about 7445.1361303874. The cubic root of 55430052 is about 381.2838661307.

The spelling of 55430052 in words is "fifty-five million, four hundred thirty thousand, fifty-two".