51004437 has 16 divisors (see below), whose sum is σ = 78553152. Its totient is φ = 29093120.

The previous prime is 51004423. The next prime is 51004469. The reversal of 51004437 is 73440015.

It is not a de Polignac number, because 51004437 - 2⁷ = 51004309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51004237) 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, 44898 + ... + 46019.

It is an arithmetic number, because the mean of its divisors is an integer number (4909572).

Almost surely, 2^51004437 is an apocalyptic number.

It is an amenable number.

51004437 is a deficient number, since it is larger than the sum of its proper divisors (27548715).

51004437 is a wasteful number, since it uses less digits than its factorization.

51004437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90948.

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

The square root of 51004437 is about 7141.7390739231. The cubic root of 51004437 is about 370.8537310611.

The spelling of 51004437 in words is "fifty-one million, four thousand, four hundred thirty-seven".