55163934 has 24 divisors (see below), whose sum is σ = 136596720. Its totient is φ = 15761088.

The previous prime is 55163923. The next prime is 55163939. The reversal of 55163934 is 43936155.

It is a super-2 number, since 2×55163934² = 6086119228712712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55163939) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218779 + ... + 219030.

It is an arithmetic number, because the mean of its divisors is an integer number (5691530).

Almost surely, 2^55163934 is an apocalyptic number.

55163934 is an abundant number, since it is smaller than the sum of its proper divisors (81432786).

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

55163934 is a wasteful number, since it uses less digits than its factorization.

55163934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437824 (or 437821 counting only the distinct ones).

The product of its digits is 48600, while the sum is 36.

The square root of 55163934 is about 7427.2426916050. The cubic root of 55163934 is about 380.6727096076.

The spelling of 55163934 in words is "fifty-five million, one hundred sixty-three thousand, nine hundred thirty-four".