255555547457 has 8 divisors (see below), whose sum is σ = 304761895296. Its totient is φ = 209523802752.

The previous prime is 255555547439. The next prime is 255555547483. The reversal of 255555547457 is 754745555552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 255555547457 - 2²⁶ = 255488438593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255555547396 and 255555547405.

It is not an unprimeable number, because it can be changed into a prime (255555547057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 793650608 + ... + 793650929.

It is an arithmetic number, because the mean of its divisors is an integer number (38095236912).

Almost surely, 2^255555547457 is an apocalyptic number.

It is an amenable number.

255555547457 is a deficient number, since it is larger than the sum of its proper divisors (49206347839).

255555547457 is a wasteful number, since it uses less digits than its factorization.

255555547457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1587301567.

The product of its digits is 122500000, while the sum is 59.

The spelling of 255555547457 in words is "two hundred fifty-five billion, five hundred fifty-five million, five hundred forty-seven thousand, four hundred fifty-seven".