51374756 has 6 divisors (see below), whose sum is σ = 89905830. Its totient is φ = 25687376.

The previous prime is 51374717. The next prime is 51374767. The reversal of 51374756 is 65747315.

It can be written as a sum of positive squares in only one way, i.e., 46240000 + 5134756 = 6800^2 + 2266^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421841 + ... + 6421848.

It is an arithmetic number, because the mean of its divisors is an integer number (14984305).

Almost surely, 2^51374756 is an apocalyptic number.

It is an amenable number.

51374756 is a deficient number, since it is larger than the sum of its proper divisors (38531074).

51374756 is a wasteful number, since it uses less digits than its factorization.

51374756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12843693 (or 12843691 counting only the distinct ones).

The product of its digits is 88200, while the sum is 38.

The square root of 51374756 is about 7167.6185724409. The cubic root of 51374756 is about 371.7490985516.

The spelling of 51374756 in words is "fifty-one million, three hundred seventy-four thousand, seven hundred fifty-six".