51046263452857 has 32 divisors (see below), whose sum is σ = 53216907494400. Its totient is φ = 48904626355200.

The previous prime is 51046263452831. The next prime is 51046263452869. The reversal of 51046263452857 is 75825436264015.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51046263452857 - 2⁷ = 51046263452729 is a prime.

It is a super-2 number, since 2×51046263452857² (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 (51046263452827) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6724573132 + ... + 6724580722.

It is an arithmetic number, because the mean of its divisors is an integer number (1663028359200).

Almost surely, 2^{51046263452857} is an apocalyptic number.

It is an amenable number.

51046263452857 is a deficient number, since it is larger than the sum of its proper divisors (2170644041543).

51046263452857 is a wasteful number, since it uses less digits than its factorization.

51046263452857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11257.

The product of its (nonzero) digits is 48384000, while the sum is 58.

The spelling of 51046263452857 in words is "fifty-one trillion, forty-six billion, two hundred sixty-three million, four hundred fifty-two thousand, eight hundred fifty-seven".