2155057364 has 12 divisors (see below), whose sum is σ = 3835272000. Its totient is φ = 1059265368.

The previous prime is 2155057363. The next prime is 2155057369. The reversal of 2155057364 is 4637505512.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155057363) 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, 4565564 + ... + 4566035.

It is an arithmetic number, because the mean of its divisors is an integer number (319606000).

Almost surely, 2^2155057364 is an apocalyptic number.

It is an amenable number.

2155057364 is a deficient number, since it is larger than the sum of its proper divisors (1680214636).

2155057364 is a wasteful number, since it uses less digits than its factorization.

2155057364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9131662 (or 9131660 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 2155057364 is about 46422.5954035317. The cubic root of 2155057364 is about 1291.6740807751.

The spelling of 2155057364 in words is "two billion, one hundred fifty-five million, fifty-seven thousand, three hundred sixty-four".