55232870 has 48 divisors (see below), whose sum is σ = 124909344. Its totient is φ = 17212800.

The previous prime is 55232869. The next prime is 55232873. The reversal of 55232870 is 7823255.

55232870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55232873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5210 + ... + 11730.

It is an arithmetic number, because the mean of its divisors is an integer number (2602278).

Almost surely, 2^55232870 is an apocalyptic number.

55232870 is an abundant number, since it is smaller than the sum of its proper divisors (69676474).

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

55232870 is a wasteful number, since it uses less digits than its factorization.

55232870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6557 (or 6546 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 55232870 is about 7431.8819958339. The cubic root of 55232870 is about 380.8312137147.

The spelling of 55232870 in words is "fifty-five million, two hundred thirty-two thousand, eight hundred seventy".