55139614 has 16 divisors (see below), whose sum is σ = 85860000. Its totient is φ = 26526304.

The previous prime is 55139611. The next prime is 55139641. The reversal of 55139614 is 41693155.

It is a self number, because there is not a number n which added to its sum of digits gives 55139614.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55139611) 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, 16887 + ... + 19885.

It is an arithmetic number, because the mean of its divisors is an integer number (5366250).

Almost surely, 2^55139614 is an apocalyptic number.

55139614 is a deficient number, since it is larger than the sum of its proper divisors (30720386).

55139614 is a wasteful number, since it uses less digits than its factorization.

55139614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3347.

The product of its digits is 16200, while the sum is 34.

The square root of 55139614 is about 7425.6052951931. The cubic root of 55139614 is about 380.6167592763.

The spelling of 55139614 in words is "fifty-five million, one hundred thirty-nine thousand, six hundred fourteen".