2455504551 has 32 divisors (see below), whose sum is σ = 3768483840. Its totient is φ = 1598871960.

The previous prime is 2455504547. The next prime is 2455504561. The reversal of 2455504551 is 1554055542.

2455504551 is a `hidden beast` number, since 2 + 4 + 55 + 50 + 4 + 551 = 666.

It is not a de Polignac number, because 2455504551 - 2² = 2455504547 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455504561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80986 + ... + 107096.

It is an arithmetic number, because the mean of its divisors is an integer number (117765120).

Almost surely, 2^2455504551 is an apocalyptic number.

2455504551 is a deficient number, since it is larger than the sum of its proper divisors (1312979289).

2455504551 is an frugal number, since it uses more digits than its factorization.

2455504551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26175 (or 26157 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 36.

The square root of 2455504551 is about 49553.0478477359. The cubic root of 2455504551 is about 1349.1086115567.

The spelling of 2455504551 in words is "two billion, four hundred fifty-five million, five hundred four thousand, five hundred fifty-one".