55000432 has 40 divisors (see below), whose sum is σ = 110082240. Its totient is φ = 26607360.

The previous prime is 55000403. The next prime is 55000469. The reversal of 55000432 is 23400055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66582 + ... + 67402.

It is an arithmetic number, because the mean of its divisors is an integer number (2752056).

Almost surely, 2^55000432 is an apocalyptic number.

It is an amenable number.

55000432 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

55000432 is a wasteful number, since it uses less digits than its factorization.

55000432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 955 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 55000432 is about 7416.2276124725. The cubic root of 55000432 is about 380.2962417556.

Adding to 55000432 its reverse (23400055), we get a palindrome (78400487).

The spelling of 55000432 in words is "fifty-five million, four hundred thirty-two", and thus it is an aban number.