2555055285531 has 24 divisors (see below), whose sum is σ = 3964033339920. Its totient is φ = 1459629847872.

The previous prime is 2555055285527. The next prime is 2555055285547. The reversal of 2555055285531 is 1355825505552.

It is not a de Polignac number, because 2555055285531 - 2² = 2555055285527 is a prime.

It is a super-2 number, since 2×2555055285531² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2555055285521) 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, 1854876 + ... + 2924153.

It is an arithmetic number, because the mean of its divisors is an integer number (165168055830).

Almost surely, 2^{2555055285531} is an apocalyptic number.

2555055285531 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2555055285531 is a deficient number, since it is larger than the sum of its proper divisors (1408978054389).

2555055285531 is a wasteful number, since it uses less digits than its factorization.

2555055285531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782683 (or 4782676 counting only the distinct ones).

The product of its (nonzero) digits is 7500000, while the sum is 51.

The spelling of 2555055285531 in words is "two trillion, five hundred fifty-five billion, fifty-five million, two hundred eighty-five thousand, five hundred thirty-one".