51323097 has 32 divisors (see below), whose sum is σ = 83036160. Its totient is φ = 27561600.

The previous prime is 51323089. The next prime is 51323101. The reversal of 51323097 is 79032315.

It is not a de Polignac number, because 51323097 - 2³ = 51323089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51323297) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27597 + ... + 29397.

It is an arithmetic number, because the mean of its divisors is an integer number (2594880).

Almost surely, 2^51323097 is an apocalyptic number.

It is an amenable number.

51323097 is a deficient number, since it is larger than the sum of its proper divisors (31713063).

51323097 is a wasteful number, since it uses less digits than its factorization.

51323097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1893.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 51323097 is about 7164.0140284620. The cubic root of 51323097 is about 371.6244547992.

The spelling of 51323097 in words is "fifty-one million, three hundred twenty-three thousand, ninety-seven".