55169432 has 16 divisors (see below), whose sum is σ = 104468400. Its totient is φ = 27311200.

The previous prime is 55169393. The next prime is 55169441. The reversal of 55169432 is 23496155.

It is a junction number, because it is equal to n+sod(n) for n = 55169392 and 55169401.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33332 + ... + 34947.

It is an arithmetic number, because the mean of its divisors is an integer number (6529275).

Almost surely, 2^55169432 is an apocalyptic number.

It is an amenable number.

55169432 is a deficient number, since it is larger than the sum of its proper divisors (49298968).

55169432 is a wasteful number, since it uses less digits than its factorization.

55169432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68386 (or 68382 counting only the distinct ones).

The product of its digits is 32400, while the sum is 35.

The square root of 55169432 is about 7427.6128062790. The cubic root of 55169432 is about 380.6853559683.

The spelling of 55169432 in words is "fifty-five million, one hundred sixty-nine thousand, four hundred thirty-two".