51329957 has 8 divisors (see below), whose sum is σ = 58760832. Its totient is φ = 43923600.

The previous prime is 51329923. The next prime is 51329959. The reversal of 51329957 is 75992315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51329957 - 2²² = 47135653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51329959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1394 + ... + 10227.

It is an arithmetic number, because the mean of its divisors is an integer number (7345104).

Almost surely, 2^51329957 is an apocalyptic number.

It is an amenable number.

51329957 is a deficient number, since it is larger than the sum of its proper divisors (7430875).

51329957 is a wasteful number, since it uses less digits than its factorization.

51329957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12259.

The product of its digits is 85050, while the sum is 41.

The square root of 51329957 is about 7164.4927943295. The cubic root of 51329957 is about 371.6410115435.

The spelling of 51329957 in words is "fifty-one million, three hundred twenty-nine thousand, nine hundred fifty-seven".