55138010 has 16 divisors (see below), whose sum is σ = 99860256. Its totient is φ = 21919248.

The previous prime is 55137991. The next prime is 55138033. The reversal of 55138010 is 1083155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15284 + ... + 18543.

It is an arithmetic number, because the mean of its divisors is an integer number (6241266).

Almost surely, 2^55138010 is an apocalyptic number.

55138010 is a deficient number, since it is larger than the sum of its proper divisors (44722246).

55138010 is a wasteful number, since it uses less digits than its factorization.

55138010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33997.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 55138010 is about 7425.4972897443. The cubic root of 55138010 is about 380.6130685529.

The spelling of 55138010 in words is "fifty-five million, one hundred thirty-eight thousand, ten".