55153670 has 32 divisors (see below), whose sum is σ = 116635680. Its totient is φ = 18512640.

The previous prime is 55153669. The next prime is 55153697. The reversal of 55153670 is 7635155.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17855 + ... + 20714.

It is an arithmetic number, because the mean of its divisors is an integer number (3644865).

Almost surely, 2^55153670 is an apocalyptic number.

55153670 is an abundant number, since it is smaller than the sum of its proper divisors (61482010).

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

55153670 is a wasteful number, since it uses less digits than its factorization.

55153670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38600.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 55153670 is about 7426.5516897144. The cubic root of 55153670 is about 380.6490983652.

The spelling of 55153670 in words is "fifty-five million, one hundred fifty-three thousand, six hundred seventy".