2155757082 has 8 divisors (see below), whose sum is σ = 4311514176. Its totient is φ = 718585692.

The previous prime is 2155757069. The next prime is 2155757089. The reversal of 2155757082 is 2807575512.

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

2155757082 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (2155757089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179646418 + ... + 179646429.

It is an arithmetic number, because the mean of its divisors is an integer number (538939272).

Almost surely, 2^2155757082 is an apocalyptic number.

2155757082 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2155757082 is a wasteful number, since it uses less digits than its factorization.

2155757082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359292852.

The product of its (nonzero) digits is 196000, while the sum is 42.

The square root of 2155757082 is about 46430.1311865474. The cubic root of 2155757082 is about 1291.8138620201.

The spelling of 2155757082 in words is "two billion, one hundred fifty-five million, seven hundred fifty-seven thousand, eighty-two".