52137057526 has 4 divisors (see below), whose sum is σ = 78205586292. Its totient is φ = 26068528762.

The previous prime is 52137057523. The next prime is 52137057569. The reversal of 52137057526 is 62575073125.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52137057523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13034264380 + ... + 13034264383.

It is an arithmetic number, because the mean of its divisors is an integer number (19551396573).

Almost surely, 2^52137057526 is an apocalyptic number.

52137057526 is a deficient number, since it is larger than the sum of its proper divisors (26068528766).

52137057526 is a wasteful number, since it uses less digits than its factorization.

52137057526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26068528765.

The product of its (nonzero) digits is 441000, while the sum is 43.

The spelling of 52137057526 in words is "fifty-two billion, one hundred thirty-seven million, fifty-seven thousand, five hundred twenty-six".