2152553540 has 48 divisors (see below), whose sum is σ = 4583380032. Its totient is φ = 849058176.

The previous prime is 2152553539. The next prime is 2152553563. The reversal of 2152553540 is 453552512.

It is a junction number, because it is equal to n+sod(n) for n = 2152553497 and 2152553506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1322207 + ... + 1323833.

It is an arithmetic number, because the mean of its divisors is an integer number (95487084).

Almost surely, 2^2152553540 is an apocalyptic number.

2152553540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2152553540 is an abundant number, since it is smaller than the sum of its proper divisors (2430826492).

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

2152553540 is a wasteful number, since it uses less digits than its factorization.

2152553540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516 (or 2514 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 32.

The square root of 2152553540 is about 46395.6198363596. The cubic root of 2152553540 is about 1291.1736489483.

The spelling of 2152553540 in words is "two billion, one hundred fifty-two million, five hundred fifty-three thousand, five hundred forty".