53527973871 has 8 divisors (see below), whose sum is σ = 71382815920. Its totient is φ = 35679223872.

The previous prime is 53527973869. The next prime is 53527973879. The reversal of 53527973871 is 17837972535.

It is a happy number.

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

It is not a de Polignac number, because 53527973871 - 2¹ = 53527973869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53527973879) 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, 1502470 + ... + 1537683.

It is an arithmetic number, because the mean of its divisors is an integer number (8922851990).

Almost surely, 2^53527973871 is an apocalyptic number.

53527973871 is a deficient number, since it is larger than the sum of its proper divisors (17854842049).

53527973871 is a wasteful number, since it uses less digits than its factorization.

53527973871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3046025.

The product of its digits is 11113200, while the sum is 57.

The spelling of 53527973871 in words is "fifty-three billion, five hundred twenty-seven million, nine hundred seventy-three thousand, eight hundred seventy-one".