54512113142 has 4 divisors (see below), whose sum is σ = 81768169716. Its totient is φ = 27256056570.

The previous prime is 54512113129. The next prime is 54512113157. The reversal of 54512113142 is 24131121545.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24131121545 = 5 ⋅4826224309.

It is a super-2 number, since 2×54512113142² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13628028284 + ... + 13628028287.

It is an arithmetic number, because the mean of its divisors is an integer number (20442042429).

Almost surely, 2^54512113142 is an apocalyptic number.

54512113142 is a deficient number, since it is larger than the sum of its proper divisors (27256056574).

54512113142 is a wasteful number, since it uses less digits than its factorization.

54512113142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27256056573.

The product of its digits is 4800, while the sum is 29.

Adding to 54512113142 its reverse (24131121545), we get a palindrome (78643234687).

The spelling of 54512113142 in words is "fifty-four billion, five hundred twelve million, one hundred thirteen thousand, one hundred forty-two".