51423053413585 has 24 divisors (see below), whose sum is σ = 71839400592960. Its totient is φ = 35233514565984.

The previous prime is 51423053413553. The next prime is 51423053413603. The reversal of 51423053413585 is 58531435032415.

It is not a de Polignac number, because 51423053413585 - 2⁵ = 51423053413553 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83047389 + ... + 83664298.

It is an arithmetic number, because the mean of its divisors is an integer number (2993308358040).

Almost surely, 2^{51423053413585} is an apocalyptic number.

It is an amenable number.

51423053413585 is a deficient number, since it is larger than the sum of its proper divisors (20416347179375).

51423053413585 is a wasteful number, since it uses less digits than its factorization.

51423053413585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166712965 (or 166712958 counting only the distinct ones).

The product of its (nonzero) digits is 4320000, while the sum is 49.

The spelling of 51423053413585 in words is "fifty-one trillion, four hundred twenty-three billion, fifty-three million, four hundred thirteen thousand, five hundred eighty-five".