51255150777733 has 32 divisors (see below), whose sum is σ = 59835876581376. Its totient is φ = 42993461030208.

The previous prime is 51255150777689. The next prime is 51255150777863. The reversal of 51255150777733 is 33777705155215.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 51255150777733 - 2⁹ = 51255150777221 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51255150771733) 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, 235847760 + ... + 236064982.

It is an arithmetic number, because the mean of its divisors is an integer number (1869871143168).

Almost surely, 2^{51255150777733} is an apocalyptic number.

51255150777733 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51255150777733 is a deficient number, since it is larger than the sum of its proper divisors (8580725803643).

51255150777733 is a wasteful number, since it uses less digits than its factorization.

51255150777733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218913.

The product of its (nonzero) digits is 27011250, while the sum is 58.

The spelling of 51255150777733 in words is "fifty-one trillion, two hundred fifty-five billion, one hundred fifty million, seven hundred seventy-seven thousand, seven hundred thirty-three".