51404037 has 16 divisors (see below), whose sum is σ = 72636480. Its totient is φ = 32278400.

The previous prime is 51403991. The next prime is 51404053. The reversal of 51404037 is 73040415.

It is a cyclic number.

It is not a de Polignac number, because 51404037 - 2⁶ = 51403973 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51403998 and 51404016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51404237) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3639 + ... + 10772.

It is an arithmetic number, because the mean of its divisors is an integer number (4539780).

Almost surely, 2^51404037 is an apocalyptic number.

It is an amenable number.

51404037 is a deficient number, since it is larger than the sum of its proper divisors (21232443).

51404037 is a wasteful number, since it uses less digits than its factorization.

51404037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14484.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 51404037 is about 7169.6608706410. The cubic root of 51404037 is about 371.8197111692.

The spelling of 51404037 in words is "fifty-one million, four hundred four thousand, thirty-seven".