51874497 has 12 divisors (see below), whose sum is σ = 79337700. Its totient is φ = 32548608.

The previous prime is 51874477. The next prime is 51874523. The reversal of 51874497 is 79447815.

It is a happy number.

51874497 is a `hidden beast` number, since 518 + 7 + 44 + 97 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 19793601 + 32080896 = 4449^2 + 5664^2 .

It is not a de Polignac number, because 51874497 - 2⁷ = 51874369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51874447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 169372 + ... + 169677.

It is an arithmetic number, because the mean of its divisors is an integer number (6611475).

Almost surely, 2^51874497 is an apocalyptic number.

It is an amenable number.

51874497 is a deficient number, since it is larger than the sum of its proper divisors (27463203).

51874497 is a wasteful number, since it uses less digits than its factorization.

51874497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339072 (or 339069 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 51874497 is about 7202.3952265896. The cubic root of 51874497 is about 372.9505908626.

The spelling of 51874497 in words is "fifty-one million, eight hundred seventy-four thousand, four hundred ninety-seven".