52251541555213 has 64 divisors (see below), whose sum is σ = 72798543949824. Its totient is φ = 36192453696000.

The previous prime is 52251541555189. The next prime is 52251541555247. The reversal of 52251541555213 is 31255514515225.

It is a happy number.

It is not a de Polignac number, because 52251541555213 - 2²¹ = 52251539458061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52251541555513) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5492808 + ... + 11604913.

It is an arithmetic number, because the mean of its divisors is an integer number (1137477249216).

Almost surely, 2^{52251541555213} is an apocalyptic number.

It is an amenable number.

52251541555213 is a deficient number, since it is larger than the sum of its proper divisors (20547002394611).

52251541555213 is a wasteful number, since it uses less digits than its factorization.

52251541555213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17097866.

The product of its digits is 1500000, while the sum is 46.

The spelling of 52251541555213 in words is "fifty-two trillion, two hundred fifty-one billion, five hundred forty-one million, five hundred fifty-five thousand, two hundred thirteen".