52157773137 has 8 divisors (see below), whose sum is σ = 69547308736. Its totient is φ = 34770043152.

The previous prime is 52157773123. The next prime is 52157773147. The reversal of 52157773137 is 73137775125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52157773137 - 2³² = 47862805841 is a prime.

It is a super-2 number, since 2×52157773137² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52157773147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382498 + ... + 500619.

It is an arithmetic number, because the mean of its divisors is an integer number (8693413592).

Almost surely, 2^52157773137 is an apocalyptic number.

It is an amenable number.

52157773137 is a deficient number, since it is larger than the sum of its proper divisors (17389535599).

52157773137 is a wasteful number, since it uses less digits than its factorization.

52157773137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 902807.

The product of its digits is 1080450, while the sum is 48.

The spelling of 52157773137 in words is "fifty-two billion, one hundred fifty-seven million, seven hundred seventy-three thousand, one hundred thirty-seven".