2553631516 has 24 divisors (see below), whose sum is σ = 4594281776. Its totient is φ = 1241049600.

The previous prime is 2553631477. The next prime is 2553631519. The reversal of 2553631516 is 6151363552.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2553631519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147340 + ... + 163756.

Almost surely, 2^2553631516 is an apocalyptic number.

It is an amenable number.

2553631516 is a deficient number, since it is larger than the sum of its proper divisors (2040650260).

2553631516 is a wasteful number, since it uses less digits than its factorization.

2553631516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17509 (or 17507 counting only the distinct ones).

The product of its digits is 81000, while the sum is 37.

The square root of 2553631516 is about 50533.4692654284. The cubic root of 2553631516 is about 1366.8454451298.

The spelling of 2553631516 in words is "two billion, five hundred fifty-three million, six hundred thirty-one thousand, five hundred sixteen".