51374634 has 16 divisors (see below), whose sum is σ = 102876480. Its totient is φ = 17103680.

The previous prime is 51374633. The next prime is 51374641. The reversal of 51374634 is 43647315.

It is a junction number, because it is equal to n+sod(n) for n = 51374595 and 51374604.

It is not an unprimeable number, because it can be changed into a prime (51374633) 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, 427 + ... + 10145.

It is an arithmetic number, because the mean of its divisors is an integer number (6429780).

Almost surely, 2^51374634 is an apocalyptic number.

51374634 is an abundant number, since it is smaller than the sum of its proper divisors (51501846).

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

51374634 is a wasteful number, since it uses less digits than its factorization.

51374634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10605.

The product of its digits is 30240, while the sum is 33.

The square root of 51374634 is about 7167.6100619384. The cubic root of 51374634 is about 371.7488042863.

The spelling of 51374634 in words is "fifty-one million, three hundred seventy-four thousand, six hundred thirty-four".