5651505457 has 4 divisors (see below), whose sum is σ = 6086236660. Its totient is φ = 5216774256.

The previous prime is 5651505383. The next prime is 5651505463. The reversal of 5651505457 is 7545051565.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7545051565 = 5 ⋅1509010313.

It can be written as a sum of positive squares in 2 ways, for example, as 3764558736 + 1886946721 = 61356^2 + 43439^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5651505457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5651505257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217365582 + ... + 217365607.

It is an arithmetic number, because the mean of its divisors is an integer number (1521559165).

Almost surely, 2^5651505457 is an apocalyptic number.

It is an amenable number.

5651505457 is a deficient number, since it is larger than the sum of its proper divisors (434731203).

5651505457 is a wasteful number, since it uses less digits than its factorization.

5651505457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 434731202.

The product of its (nonzero) digits is 525000, while the sum is 43.

The square root of 5651505457 is about 75176.4953758819. The cubic root of 5651505457 is about 1781.2356711649.

The spelling of 5651505457 in words is "five billion, six hundred fifty-one million, five hundred five thousand, four hundred fifty-seven".