51325657340547 has 8 divisors (see below), whose sum is σ = 68434457995600. Its totient is φ = 34216980789600.

The previous prime is 51325657340539. The next prime is 51325657340557. The reversal of 51325657340547 is 74504375652315.

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

It is not a de Polignac number, because 51325657340547 - 2³ = 51325657340539 is a prime.

It is a super-2 number, since 2×51325657340547² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51325657340527) 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, 30056704 + ... + 31718397.

It is an arithmetic number, because the mean of its divisors is an integer number (8554307249450).

Almost surely, 2^{51325657340547} is an apocalyptic number.

51325657340547 is a deficient number, since it is larger than the sum of its proper divisors (17108800655053).

51325657340547 is a wasteful number, since it uses less digits than its factorization.

51325657340547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62052053.

The product of its (nonzero) digits is 52920000, while the sum is 57.

The spelling of 51325657340547 in words is "fifty-one trillion, three hundred twenty-five billion, six hundred fifty-seven million, three hundred forty thousand, five hundred forty-seven".