51404024 has 32 divisors (see below), whose sum is σ = 110899200. Its totient is φ = 21880800.

The previous prime is 51403991. The next prime is 51404053. The reversal of 51404024 is 42040415.

It is a junction number, because it is equal to n+sod(n) for n = 51403987 and 51404005.

It is a congruent number.

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, 5417 + ... + 11495.

It is an arithmetic number, because the mean of its divisors is an integer number (3465600).

Almost surely, 2^51404024 is an apocalyptic number.

It is an amenable number.

51404024 is an abundant number, since it is smaller than the sum of its proper divisors (59495176).

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

51404024 is a wasteful number, since it uses less digits than its factorization.

51404024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6243 (or 6239 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 51404024 is about 7169.6599640429. The cubic root of 51404024 is about 371.8196798250.

Adding to 51404024 its reverse (42040415), we get a palindrome (93444439).

The spelling of 51404024 in words is "fifty-one million, four hundred four thousand, twenty-four".