54515516 has 12 divisors (see below), whose sum is σ = 104075160. Its totient is φ = 24779760.

The previous prime is 54515509. The next prime is 54515533. The reversal of 54515516 is 61551545.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 619451 + ... + 619538.

It is an arithmetic number, because the mean of its divisors is an integer number (8672930).

Almost surely, 2^54515516 is an apocalyptic number.

It is an amenable number.

54515516 is a deficient number, since it is larger than the sum of its proper divisors (49559644).

54515516 is a wasteful number, since it uses less digits than its factorization.

54515516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1239004 (or 1239002 counting only the distinct ones).

The product of its digits is 15000, while the sum is 32.

The square root of 54515516 is about 7383.4623314540. The cubic root of 54515516 is about 379.1753029041.

It can be divided in two parts, 545 and 15516, that added together give a palindrome (16061).

The spelling of 54515516 in words is "fifty-four million, five hundred fifteen thousand, five hundred sixteen".