51893474 has 16 divisors (see below), whose sum is σ = 82373760. Its totient is φ = 24467520.

The previous prime is 51893459. The next prime is 51893477. The reversal of 51893474 is 47439815.

It is not an unprimeable number, because it can be changed into a prime (51893477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4679 + ... + 11210.

It is an arithmetic number, because the mean of its divisors is an integer number (5148360).

Almost surely, 2^51893474 is an apocalyptic number.

51893474 is a deficient number, since it is larger than the sum of its proper divisors (30480286).

51893474 is a wasteful number, since it uses less digits than its factorization.

51893474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15985.

The product of its digits is 120960, while the sum is 41.

The square root of 51893474 is about 7203.7125150855. The cubic root of 51893474 is about 372.9960635637.

The spelling of 51893474 in words is "fifty-one million, eight hundred ninety-three thousand, four hundred seventy-four".