82137552 has 40 divisors (see below), whose sum is σ = 242502336. Its totient is φ = 23467776.

The previous prime is 82137527. The next prime is 82137571. The reversal of 82137552 is 25573128.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121893 + ... + 122564.

Almost surely, 2^82137552 is an apocalyptic number.

It is an amenable number.

82137552 is an abundant number, since it is smaller than the sum of its proper divisors (160364784).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82137552 is a wasteful number, since it uses less digits than its factorization.

82137552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244475 (or 244469 counting only the distinct ones).

The product of its digits is 16800, while the sum is 33.

The square root of 82137552 is about 9062.9769943435. The cubic root of 82137552 is about 434.6909364964.

The spelling of 82137552 in words is "eighty-two million, one hundred thirty-seven thousand, five hundred fifty-two".