2552311990 has 64 divisors (see below), whose sum is σ = 4956733440. Its totient is φ = 943263360.

The previous prime is 2552311987. The next prime is 2552312053. The reversal of 2552311990 is 991132552.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1922707 + ... + 1924033.

It is an arithmetic number, because the mean of its divisors is an integer number (77448960).

Almost surely, 2^2552311990 is an apocalyptic number.

2552311990 is a deficient number, since it is larger than the sum of its proper divisors (2404421450).

2552311990 is a wasteful number, since it uses less digits than its factorization.

2552311990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1597.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 2552311990 is about 50520.4116174839. The cubic root of 2552311990 is about 1366.6099766954.

The spelling of 2552311990 in words is "two billion, five hundred fifty-two million, three hundred eleven thousand, nine hundred ninety".