51364757 has 4 divisors (see below), whose sum is σ = 51476160. Its totient is φ = 51253356.

The previous prime is 51364741. The next prime is 51364763. The reversal of 51364757 is 75746315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51364757 - 2⁴ = 51364741 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51364757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51364787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55007 + ... + 55932.

It is an arithmetic number, because the mean of its divisors is an integer number (12869040).

Almost surely, 2^51364757 is an apocalyptic number.

It is an amenable number.

51364757 is a deficient number, since it is larger than the sum of its proper divisors (111403).

51364757 is a wasteful number, since it uses less digits than its factorization.

51364757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111402.

The product of its digits is 88200, while the sum is 38.

The square root of 51364757 is about 7166.9210264939. The cubic root of 51364757 is about 371.7249793102.

The spelling of 51364757 in words is "fifty-one million, three hundred sixty-four thousand, seven hundred fifty-seven".