51574794 has 16 divisors (see below), whose sum is σ = 103262880. Its totient is φ = 17172720.

The previous prime is 51574709. The next prime is 51574799. The reversal of 51574794 is 49747515.

It is a happy number.

It is a super-2 number, since 2×51574794² = 5319918752284872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51574799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1917 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (6453930).

Almost surely, 2^51574794 is an apocalyptic number.

51574794 is an abundant number, since it is smaller than the sum of its proper divisors (51688086).

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

51574794 is a wasteful number, since it uses less digits than its factorization.

51574794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9445.

The product of its digits is 176400, while the sum is 42.

The square root of 51574794 is about 7181.5593014331. The cubic root of 51574794 is about 372.2309671006.

The spelling of 51574794 in words is "fifty-one million, five hundred seventy-four thousand, seven hundred ninety-four".