55166634 has 24 divisors (see below), whose sum is σ = 119704260. Its totient is φ = 18361728.

The previous prime is 55166623. The next prime is 55166659. The reversal of 55166634 is 43666155.

55166634 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 52925625 + 2241009 = 7275^2 + 1497^2 .

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13074 + ... + 16770.

Almost surely, 2^55166634 is an apocalyptic number.

55166634 is an abundant number, since it is smaller than the sum of its proper divisors (64537626).

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

55166634 is a wasteful number, since it uses less digits than its factorization.

55166634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4534 (or 4531 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 55166634 is about 7427.4244526619. The cubic root of 55166634 is about 380.6789201844.

The spelling of 55166634 in words is "fifty-five million, one hundred sixty-six thousand, six hundred thirty-four".