5456157261 has 16 divisors (see below), whose sum is σ = 7504513728. Its totient is φ = 3524400000.

The previous prime is 5456157253. The next prime is 5456157269. The reversal of 5456157261 is 1627516545.

It is an interprime number because it is at equal distance from previous prime (5456157253) and next prime (5456157269).

It is not a de Polignac number, because 5456157261 - 2³ = 5456157253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5456157269) 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, 210240 + ... + 234761.

It is an arithmetic number, because the mean of its divisors is an integer number (469032108).

Almost surely, 2^5456157261 is an apocalyptic number.

It is an amenable number.

5456157261 is a deficient number, since it is larger than the sum of its proper divisors (2048356467).

5456157261 is a wasteful number, since it uses less digits than its factorization.

5456157261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 445132.

The product of its digits is 252000, while the sum is 42.

The square root of 5456157261 is about 73865.8057628833. The cubic root of 5456157261 is about 1760.4713421006.

The spelling of 5456157261 in words is "five billion, four hundred fifty-six million, one hundred fifty-seven thousand, two hundred sixty-one".