53180695657 has 16 divisors (see below), whose sum is σ = 56675998080. Its totient is φ = 49791398272.

The previous prime is 53180695651. The next prime is 53180695717. The reversal of 53180695657 is 75659608135.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53180695657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53180695598 and 53180695607.

It is not an unprimeable number, because it can be changed into a prime (53180695651) 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, 232083 + ... + 400279.

It is an arithmetic number, because the mean of its divisors is an integer number (3542249880).

Almost surely, 2^53180695657 is an apocalyptic number.

It is an amenable number.

53180695657 is a deficient number, since it is larger than the sum of its proper divisors (3495302423).

53180695657 is a wasteful number, since it uses less digits than its factorization.

53180695657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168512.

The product of its (nonzero) digits is 6804000, while the sum is 55.

The spelling of 53180695657 in words is "fifty-three billion, one hundred eighty million, six hundred ninety-five thousand, six hundred fifty-seven".