255501013554 has 32 divisors (see below), whose sum is σ = 597663192000. Its totient is φ = 80684530272.

The previous prime is 255501013553. The next prime is 255501013561. The reversal of 255501013554 is 455310105552.

255501013554 is a `hidden beast` number, since 2 + 55 + 50 + 1 + 0 + 1 + 3 + 554 = 666.

It is not an unprimeable number, because it can be changed into a prime (255501013553) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124512139 + ... + 124514190.

It is an arithmetic number, because the mean of its divisors is an integer number (18676974750).

Almost surely, 2^255501013554 is an apocalyptic number.

255501013554 is an abundant number, since it is smaller than the sum of its proper divisors (342162178446).

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

255501013554 is a wasteful number, since it uses less digits than its factorization.

255501013554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249026359 (or 249026353 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 36.

The spelling of 255501013554 in words is "two hundred fifty-five billion, five hundred one million, thirteen thousand, five hundred fifty-four".