55258432 has 28 divisors (see below), whose sum is σ = 116105940. Its totient is φ = 26003456.

The previous prime is 55258421. The next prime is 55258439. The reversal of 55258432 is 23485255.

It can be written as a sum of positive squares in 2 ways, for example, as 19927296 + 35331136 = 4464^2 + 5944^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55258439) 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 3 ways as a sum of consecutive naturals, for example, 24307 + ... + 26482.

Almost surely, 2^55258432 is an apocalyptic number.

It is an amenable number.

55258432 is an abundant number, since it is smaller than the sum of its proper divisors (60847508).

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

55258432 is a wasteful number, since it uses less digits than its factorization.

55258432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50818 (or 50808 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The square root of 55258432 is about 7433.6015497200. The cubic root of 55258432 is about 380.8899547391.

The spelling of 55258432 in words is "fifty-five million, two hundred fifty-eight thousand, four hundred thirty-two".