51101616 has 40 divisors (see below), whose sum is σ = 132872944. Its totient is φ = 16922880.

The previous prime is 51101597. The next prime is 51101647. The reversal of 51101616 is 61610115.

It is a super-2 number, since 2×51101616² = 5222750315622912, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51101592 and 51101601.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4146 + ... + 10926.

Almost surely, 2^51101616 is an apocalyptic number.

It is an amenable number.

51101616 is an abundant number, since it is smaller than the sum of its proper divisors (81771328).

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

51101616 is a wasteful number, since it uses less digits than its factorization.

51101616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949 (or 6943 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 21.

The square root of 51101616 is about 7148.5394312405. The cubic root of 51101616 is about 371.0891114351.

The spelling of 51101616 in words is "fifty-one million, one hundred one thousand, six hundred sixteen".