51400051763 has 4 divisors (see below), whose sum is σ = 52595401848. Its totient is φ = 50204701680.

The previous prime is 51400051727. The next prime is 51400051817. The reversal of 51400051763 is 36715000415.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51400051763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51400051723) 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, 597674978 + ... + 597675063.

It is an arithmetic number, because the mean of its divisors is an integer number (13148850462).

Almost surely, 2^51400051763 is an apocalyptic number.

51400051763 is a deficient number, since it is larger than the sum of its proper divisors (1195350085).

51400051763 is a wasteful number, since it uses less digits than its factorization.

51400051763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1195350084.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 51400051763 in words is "fifty-one billion, four hundred million, fifty-one thousand, seven hundred sixty-three".