2521056550 has 24 divisors (see below), whose sum is σ = 4707870552. Its totient is φ = 1004400000.

The previous prime is 2521056539. The next prime is 2521056557. The reversal of 2521056550 is 556501252.

It is a super-2 number, since 2×2521056550² = 12711452256595805000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2521056557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87891 + ... + 112990.

It is an arithmetic number, because the mean of its divisors is an integer number (196161273).

Almost surely, 2^2521056550 is an apocalyptic number.

2521056550 is a deficient number, since it is larger than the sum of its proper divisors (2186814002).

2521056550 is a wasteful number, since it uses less digits than its factorization.

2521056550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201144 (or 201139 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 2521056550 is about 50210.1239791339. The cubic root of 2521056550 is about 1361.0085781927.

The spelling of 2521056550 in words is "two billion, five hundred twenty-one million, fifty-six thousand, five hundred fifty".