2516553880 has 32 divisors (see below), whose sum is σ = 5857498800. Its totient is φ = 971910016.

The previous prime is 2516553859. The next prime is 2516553881. The reversal of 2516553880 is 883556152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2516553881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1083562 + ... + 1085881.

Almost surely, 2^2516553880 is an apocalyptic number.

2516553880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2516553880 is an abundant number, since it is smaller than the sum of its proper divisors (3340944920).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2516553880 is a wasteful number, since it uses less digits than its factorization.

2516553880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2169483 (or 2169479 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 43.

The square root of 2516553880 is about 50165.2656725747. The cubic root of 2516553880 is about 1360.1978302181.

The spelling of 2516553880 in words is "two billion, five hundred sixteen million, five hundred fifty-three thousand, eight hundred eighty".