51396297455 has 8 divisors (see below), whose sum is σ = 65303530992. Its totient is φ = 38698388608.

The previous prime is 51396297443. The next prime is 51396297479. The reversal of 51396297455 is 55479269315.

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

It is a cyclic number.

It is not a de Polignac number, because 51396297455 - 2²² = 51392103151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51396297455.

It is a congruent number.

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, 302331077 + ... + 302331246.

It is an arithmetic number, because the mean of its divisors is an integer number (8162941374).

Almost surely, 2^51396297455 is an apocalyptic number.

51396297455 is a deficient number, since it is larger than the sum of its proper divisors (13907233537).

51396297455 is a wasteful number, since it uses less digits than its factorization.

51396297455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604662345.

The product of its digits is 10206000, while the sum is 56.

The spelling of 51396297455 in words is "fifty-one billion, three hundred ninety-six million, two hundred ninety-seven thousand, four hundred fifty-five".