51097675 has 6 divisors (see below), whose sum is σ = 63361148. Its totient is φ = 40878120.

The previous prime is 51097667. The next prime is 51097679. The reversal of 51097675 is 57679015.

It is not a de Polignac number, because 51097675 - 2³ = 51097667 is a prime.

It is a super-2 number, since 2×51097675² = 5221944780811250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51097679) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1021929 + ... + 1021978.

Almost surely, 2^51097675 is an apocalyptic number.

51097675 is a deficient number, since it is larger than the sum of its proper divisors (12263473).

51097675 is a wasteful number, since it uses less digits than its factorization.

51097675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2043917 (or 2043912 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 51097675 is about 7148.2637752114. The cubic root of 51097675 is about 371.0795716208.

The spelling of 51097675 in words is "fifty-one million, ninety-seven thousand, six hundred seventy-five".