51349674 has 16 divisors (see below), whose sum is σ = 102770208. Its totient is φ = 17104752.

The previous prime is 51349663. The next prime is 51349681. The reversal of 51349674 is 47694315.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13669 + ... + 17015.

It is an arithmetic number, because the mean of its divisors is an integer number (6423138).

Almost surely, 2^51349674 is an apocalyptic number.

51349674 is an abundant number, since it is smaller than the sum of its proper divisors (51420534).

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

51349674 is a wasteful number, since it uses less digits than its factorization.

51349674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5909.

The product of its digits is 90720, while the sum is 39.

The square root of 51349674 is about 7165.8686842559. The cubic root of 51349674 is about 371.6885906975.

The spelling of 51349674 in words is "fifty-one million, three hundred forty-nine thousand, six hundred seventy-four".