2655521451 has 24 divisors (see below), whose sum is σ = 4192057584. Its totient is φ = 1606484160.

The previous prime is 2655521443. The next prime is 2655521461. The reversal of 2655521451 is 1541255562.

2655521451 is a `hidden beast` number, since 2 + 65 + 552 + 1 + 45 + 1 = 666.

It is not a de Polignac number, because 2655521451 - 2³ = 2655521443 is a prime.

It is a super-2 number, since 2×2655521451² = 14103588353442290802, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2655521441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31065 + ... + 79221.

It is an arithmetic number, because the mean of its divisors is an integer number (174669066).

Almost surely, 2^2655521451 is an apocalyptic number.

2655521451 is a deficient number, since it is larger than the sum of its proper divisors (1536536133).

2655521451 is a wasteful number, since it uses less digits than its factorization.

2655521451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48731 (or 48728 counting only the distinct ones).

The product of its digits is 60000, while the sum is 36.

The square root of 2655521451 is about 51531.7518720255. The cubic root of 2655521451 is about 1384.7879357486.

The spelling of 2655521451 in words is "two billion, six hundred fifty-five million, five hundred twenty-one thousand, four hundred fifty-one".