2552491964 has 48 divisors (see below), whose sum is σ = 4916751840. Its totient is φ = 1149845760.

The previous prime is 2552491957. The next prime is 2552491967. The reversal of 2552491964 is 4691942552.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552491967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3371474 + ... + 3372230.

It is an arithmetic number, because the mean of its divisors is an integer number (102432330).

Almost surely, 2^2552491964 is an apocalyptic number.

It is an amenable number.

2552491964 is a deficient number, since it is larger than the sum of its proper divisors (2364259876).

2552491964 is a wasteful number, since it uses less digits than its factorization.

2552491964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358 (or 1356 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 2552491964 is about 50522.1927869328. The cubic root of 2552491964 is about 1366.6420977010.

The spelling of 2552491964 in words is "two billion, five hundred fifty-two million, four hundred ninety-one thousand, nine hundred sixty-four".