51404592 has 40 divisors (see below), whose sum is σ = 133781616. Its totient is φ = 17007616.

The previous prime is 51404579. The next prime is 51404593. The reversal of 51404592 is 29540415.

It is not an unprimeable number, because it can be changed into a prime (51404593) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668 + ... + 10484.

Almost surely, 2^51404592 is an apocalyptic number.

It is an amenable number.

51404592 is an abundant number, since it is smaller than the sum of its proper divisors (82377024).

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

51404592 is a wasteful number, since it uses less digits than its factorization.

51404592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7965 (or 7959 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 51404592 is about 7169.6995752960. The cubic root of 51404592 is about 371.8210493209.

The spelling of 51404592 in words is "fifty-one million, four hundred four thousand, five hundred ninety-two".