5457736257 has 16 divisors (see below), whose sum is σ = 7479056640. Its totient is φ = 3538199952.

The previous prime is 5457736223. The next prime is 5457736283. The reversal of 5457736257 is 7526377545.

It is not a de Polignac number, because 5457736257 - 2²² = 5453541953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5457738257) 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, 63907 + ... + 122472.

It is an arithmetic number, because the mean of its divisors is an integer number (467441040).

Almost surely, 2^5457736257 is an apocalyptic number.

It is an amenable number.

5457736257 is a deficient number, since it is larger than the sum of its proper divisors (2021320383).

5457736257 is a wasteful number, since it uses less digits than its factorization.

5457736257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186652.

The product of its digits is 6174000, while the sum is 51.

The square root of 5457736257 is about 73876.4932640959. The cubic root of 5457736257 is about 1760.6411508118.

The spelling of 5457736257 in words is "five billion, four hundred fifty-seven million, seven hundred thirty-six thousand, two hundred fifty-seven".