51441516 has 36 divisors (see below), whose sum is σ = 148609552. Its totient is φ = 14697504.

The previous prime is 51441503. The next prime is 51441527. The reversal of 51441516 is 61514415.

51441516 is a `hidden beast` number, since 5 + 144 + 1 + 516 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51441516.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101815 + ... + 102318.

Almost surely, 2^51441516 is an apocalyptic number.

It is an amenable number.

51441516 is an abundant number, since it is smaller than the sum of its proper divisors (97168036).

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

51441516 is a wasteful number, since it uses less digits than its factorization.

51441516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204150 (or 204145 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 51441516 is about 7172.2741163455. The cubic root of 51441516 is about 371.9100545634.

The spelling of 51441516 in words is "fifty-one million, four hundred forty-one thousand, five hundred sixteen".