51337970 has 16 divisors (see below), whose sum is σ = 93711168. Its totient is φ = 20245680.

The previous prime is 51337967. The next prime is 51337987. The reversal of 51337970 is 7973315.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51337970.

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, 35444 + ... + 36863.

It is an arithmetic number, because the mean of its divisors is an integer number (5856948).

Almost surely, 2^51337970 is an apocalyptic number.

51337970 is a deficient number, since it is larger than the sum of its proper divisors (42373198).

51337970 is a wasteful number, since it uses less digits than its factorization.

51337970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72385.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 51337970 is about 7165.0519886460. The cubic root of 51337970 is about 371.6603492081.

It can be divided in two parts, 513 and 37970, that added together give a palindrome (38483).

The spelling of 51337970 in words is "fifty-one million, three hundred thirty-seven thousand, nine hundred seventy".