55679830 has 16 divisors (see below), whose sum is σ = 100647360. Its totient is φ = 22177792.

The previous prime is 55679807. The next prime is 55679831. The reversal of 55679830 is 3897655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55679831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9259 + ... + 14038.

It is an arithmetic number, because the mean of its divisors is an integer number (6290460).

Almost surely, 2^55679830 is an apocalyptic number.

55679830 is a deficient number, since it is larger than the sum of its proper divisors (44967530).

55679830 is a wasteful number, since it uses less digits than its factorization.

55679830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23543.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 55679830 is about 7461.8918512667. The cubic root of 55679830 is about 381.8557197513.

The spelling of 55679830 in words is "fifty-five million, six hundred seventy-nine thousand, eight hundred thirty".