55783879127048 has 36 divisors (see below), whose sum is σ = 104984747765415. Its totient is φ = 27788331373248.

The previous prime is 55783879127047. The next prime is 55783879127087. The reversal of 55783879127048 is 84072197838755.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 5 ways, for example, as 242065968004 + 55541813159044 = 492002^2 + 7452638^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=5281282.

It is a super-2 number, since 2×55783879127048² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55783879127047) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5851655690 + ... + 5851665222.

Almost surely, 2^{55783879127048} is an apocalyptic number.

It is an amenable number.

55783879127048 is a deficient number, since it is larger than the sum of its proper divisors (49200868638367).

55783879127048 is an frugal number, since it uses more digits than its factorization.

55783879127048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19626 (or 9812 counting only the distinct ones).

The product of its (nonzero) digits is 948326400, while the sum is 74.

The spelling of 55783879127048 in words is "fifty-five trillion, seven hundred eighty-three billion, eight hundred seventy-nine million, one hundred twenty-seven thousand, forty-eight".