2553707521 has 24 divisors (see below), whose sum is σ = 2775592320. Its totient is φ = 2342916576.

The previous prime is 2553707489. The next prime is 2553707539. The reversal of 2553707521 is 1257073552.

It is not a de Polignac number, because 2553707521 - 2⁵ = 2553707489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2553707021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5515336 + ... + 5515798.

It is an arithmetic number, because the mean of its divisors is an integer number (115649680).

Almost surely, 2^2553707521 is an apocalyptic number.

It is an amenable number.

2553707521 is a deficient number, since it is larger than the sum of its proper divisors (221884799).

2553707521 is a wasteful number, since it uses less digits than its factorization.

2553707521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 73500, while the sum is 37.

The square root of 2553707521 is about 50534.2212861740. The cubic root of 2553707521 is about 1366.8590056946.

The spelling of 2553707521 in words is "two billion, five hundred fifty-three million, seven hundred seven thousand, five hundred twenty-one".