55420832 has 24 divisors (see below), whose sum is σ = 110117700. Its totient is φ = 27454464.

The previous prime is 55420831. The next prime is 55420837. The reversal of 55420832 is 23802455.

55420832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55294096 + 126736 = 7436^2 + 356^2 .

It is a junction number, because it is equal to n+sod(n) for n = 55420795 and 55420804.

It is not an unprimeable number, because it can be changed into a prime (55420831) 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 3 ways as a sum of consecutive naturals, for example, 4457 + ... + 11432.

Almost surely, 2^55420832 is an apocalyptic number.

It is an amenable number.

55420832 is a deficient number, since it is larger than the sum of its proper divisors (54696868).

55420832 is a wasteful number, since it uses less digits than its factorization.

55420832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16008 (or 16000 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 55420832 is about 7444.5169084367. The cubic root of 55420832 is about 381.2627245775.

The spelling of 55420832 in words is "fifty-five million, four hundred twenty thousand, eight hundred thirty-two".