82157053 has 8 divisors (see below), whose sum is σ = 90177696. Its totient is φ = 74228400.

The previous prime is 82157041. The next prime is 82157059. The reversal of 82157053 is 35075128.

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

It is a cyclic number.

It is not a de Polignac number, because 82157053 - 2⁵ = 82157021 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 (82157059) 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, 21118 + ... + 24703.

It is an arithmetic number, because the mean of its divisors is an integer number (11272212).

Almost surely, 2^82157053 is an apocalyptic number.

It is an amenable number.

82157053 is a deficient number, since it is larger than the sum of its proper divisors (8020643).

82157053 is a wasteful number, since it uses less digits than its factorization.

82157053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45995.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 82157053 is about 9064.0527911084. The cubic root of 82157053 is about 434.7253350428.

The spelling of 82157053 in words is "eighty-two million, one hundred fifty-seven thousand, fifty-three".