51667526253 has 32 divisors (see below), whose sum is σ = 83066905600. Its totient is φ = 27905700096.

The previous prime is 51667526249. The next prime is 51667526353. The reversal of 51667526253 is 35262576615.

It is not a de Polignac number, because 51667526253 - 2² = 51667526249 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51667526213) 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, 23238 + ... + 322296.

It is an arithmetic number, because the mean of its divisors is an integer number (2595840800).

Almost surely, 2^51667526253 is an apocalyptic number.

It is an amenable number.

51667526253 is a deficient number, since it is larger than the sum of its proper divisors (31399379347).

51667526253 is a wasteful number, since it uses less digits than its factorization.

51667526253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299521.

The product of its digits is 2268000, while the sum is 48.

The spelling of 51667526253 in words is "fifty-one billion, six hundred sixty-seven million, five hundred twenty-six thousand, two hundred fifty-three".