5555863257 has 32 divisors (see below), whose sum is σ = 8584396800. Its totient is φ = 3130515648.

The previous prime is 5555863241. The next prime is 5555863259. The reversal of 5555863257 is 7523685555.

It is not a de Polignac number, because 5555863257 - 2⁴ = 5555863241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5555863259) 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, 1652344 + ... + 1655702.

It is an arithmetic number, because the mean of its divisors is an integer number (268262400).

Almost surely, 2^5555863257 is an apocalyptic number.

It is an amenable number.

5555863257 is a deficient number, since it is larger than the sum of its proper divisors (3028533543).

5555863257 is a wasteful number, since it uses less digits than its factorization.

5555863257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445.

The product of its digits is 6300000, while the sum is 51.

The square root of 5555863257 is about 74537.6633454524. The cubic root of 5555863257 is about 1771.1303128584.

The spelling of 5555863257 in words is "five billion, five hundred fifty-five million, eight hundred sixty-three thousand, two hundred fifty-seven".