53477442261671 has 4 divisors (see below), whose sum is σ = 54383839588200. Its totient is φ = 52571044935144.

The previous prime is 53477442261629. The next prime is 53477442261701. The reversal of 53477442261671 is 17616224477435.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53477442261671 - 2³⁴ = 53460262392487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (59), and also a Moran number because the ratio is a prime number: 906397326469 = 53477442261671 / (5 + 3 + 4 + 7 + 7 + 4 + 4 + 2 + 2 + 6 + 1 + 6 + 7 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53477442261671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53477442291671) 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, 453198663176 + ... + 453198663293.

It is an arithmetic number, because the mean of its divisors is an integer number (13595959897050).

Almost surely, 2^{53477442261671} is an apocalyptic number.

53477442261671 is a deficient number, since it is larger than the sum of its proper divisors (906397326529).

53477442261671 is an equidigital number, since it uses as much as digits as its factorization.

53477442261671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906397326528.

The product of its digits is 47416320, while the sum is 59.

The spelling of 53477442261671 in words is "fifty-three trillion, four hundred seventy-seven billion, four hundred forty-two million, two hundred sixty-one thousand, six hundred seventy-one".