51506097 has 16 divisors (see below), whose sum is σ = 71554560. Its totient is φ = 32918400.

The previous prime is 51506057. The next prime is 51506101. The reversal of 51506097 is 79060515.

It is not a de Polignac number, because 51506097 - 2⁷ = 51505969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51506047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7597 + ... + 12677.

It is an arithmetic number, because the mean of its divisors is an integer number (4472160).

Almost surely, 2^51506097 is an apocalyptic number.

It is an amenable number.

51506097 is a deficient number, since it is larger than the sum of its proper divisors (20048463).

51506097 is a wasteful number, since it uses less digits than its factorization.

51506097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 51506097 is about 7176.7748327504. The cubic root of 51506097 is about 372.0656246232.

The spelling of 51506097 in words is "fifty-one million, five hundred six thousand, ninety-seven".