51162616 has 8 divisors (see below), whose sum is σ = 95929920. Its totient is φ = 25581304.

The previous prime is 51162599. The next prime is 51162619. The reversal of 51162616 is 61626115.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×51162616² = 5235226551926912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51162619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3197656 + ... + 3197671.

It is an arithmetic number, because the mean of its divisors is an integer number (11991240).

Almost surely, 2^51162616 is an apocalyptic number.

It is an amenable number.

51162616 is a deficient number, since it is larger than the sum of its proper divisors (44767304).

51162616 is a wasteful number, since it uses less digits than its factorization.

51162616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6395333 (or 6395329 counting only the distinct ones).

The product of its digits is 2160, while the sum is 28.

The square root of 51162616 is about 7152.8047645661. The cubic root of 51162616 is about 371.2367090814.

The spelling of 51162616 in words is "fifty-one million, one hundred sixty-two thousand, six hundred sixteen".