54888172539 has 16 divisors (see below), whose sum is σ = 73306893312. Its totient is φ = 36530833248.

The previous prime is 54888172529. The next prime is 54888172607. The reversal of 54888172539 is 93527188845.

It is not a de Polignac number, because 54888172539 - 2⁷ = 54888172411 is a prime.

It is a super-2 number, since 2×54888172539² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (54888172529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5826397 + ... + 5835809.

It is an arithmetic number, because the mean of its divisors is an integer number (4581680832).

Almost surely, 2^54888172539 is an apocalyptic number.

54888172539 is a deficient number, since it is larger than the sum of its proper divisors (18418720773).

54888172539 is a wasteful number, since it uses less digits than its factorization.

54888172539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12466.

The product of its digits is 19353600, while the sum is 60.

The spelling of 54888172539 in words is "fifty-four billion, eight hundred eighty-eight million, one hundred seventy-two thousand, five hundred thirty-nine".