51977758001 has 16 divisors (see below), whose sum is σ = 58023598080. Its totient is φ = 46237383360.

The previous prime is 51977757947. The next prime is 51977758037. The reversal of 51977758001 is 10085777915.

It is a cyclic number.

It is not a de Polignac number, because 51977758001 - 2¹⁰ = 51977756977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51977758081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173510 + ... + 366143.

It is an arithmetic number, because the mean of its divisors is an integer number (3626474880).

Almost surely, 2^51977758001 is an apocalyptic number.

It is an amenable number.

51977758001 is a deficient number, since it is larger than the sum of its proper divisors (6045840079).

51977758001 is a wasteful number, since it uses less digits than its factorization.

51977758001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539936.

The product of its (nonzero) digits is 617400, while the sum is 50.

The spelling of 51977758001 in words is "fifty-one billion, nine hundred seventy-seven million, seven hundred fifty-eight thousand, one".