51427704 has 32 divisors (see below), whose sum is σ = 130752000. Its totient is φ = 16851552.

The previous prime is 51427693. The next prime is 51427709. The reversal of 51427704 is 40772415.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51427709) 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, 16744 + ... + 19575.

It is an arithmetic number, because the mean of its divisors is an integer number (4086000).

Almost surely, 2^51427704 is an apocalyptic number.

It is an amenable number.

51427704 is an abundant number, since it is smaller than the sum of its proper divisors (79324296).

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

51427704 is a wasteful number, since it uses less digits than its factorization.

51427704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36387 (or 36383 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 51427704 is about 7171.3111771837. The cubic root of 51427704 is about 371.8767657473.

The spelling of 51427704 in words is "fifty-one million, four hundred twenty-seven thousand, seven hundred four".