51207357 has 8 divisors (see below), whose sum is σ = 68327200. Its totient is φ = 34112880.

The previous prime is 51207353. The next prime is 51207389. The reversal of 51207357 is 75370215.

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

It is not a de Polignac number, because 51207357 - 2² = 51207353 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 (51207353) 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, 982 + ... + 10167.

It is an arithmetic number, because the mean of its divisors is an integer number (8540900).

Almost surely, 2^51207357 is an apocalyptic number.

It is an amenable number.

51207357 is a deficient number, since it is larger than the sum of its proper divisors (17119843).

51207357 is a wasteful number, since it uses less digits than its factorization.

51207357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12683.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 51207357 is about 7155.9315955367. The cubic root of 51207357 is about 371.3448913419.

The spelling of 51207357 in words is "fifty-one million, two hundred seven thousand, three hundred fifty-seven".