54212773551516 has 60 divisors (see below), whose sum is σ = 141751998123120. Its totient is φ = 18067214090880.

The previous prime is 54212773551493. The next prime is 54212773551529. The reversal of 54212773551516 is 61515537721245.

54212773551516 is a `hidden beast` number, since 5 + 4 + 2 + 1 + 2 + 7 + 73 + 5 + 51 + 516 = 666.

It is a super-2 number, since 2×54212773551516² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15597261 + ... + 18753668.

It is an arithmetic number, because the mean of its divisors is an integer number (2362533302052).

Almost surely, 2^{54212773551516} is an apocalyptic number.

It is an amenable number.

54212773551516 is an abundant number, since it is smaller than the sum of its proper divisors (87539224571604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54212773551516 is a wasteful number, since it uses less digits than its factorization.

54212773551516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34355816 (or 34355805 counting only the distinct ones).

The product of its digits is 8820000, while the sum is 54.

The spelling of 54212773551516 in words is "fifty-four trillion, two hundred twelve billion, seven hundred seventy-three million, five hundred fifty-one thousand, five hundred sixteen".