53473153457 has 4 divisors (see below), whose sum is σ = 53476978020. Its totient is φ = 53469328896.

The previous prime is 53473153451. The next prime is 53473153483. The reversal of 53473153457 is 75435137435.

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

It can be written as a sum of positive squares in 2 ways, for example, as 35465928976 + 18007224481 = 188324^2 + 134191^2 .

It is a cyclic number.

It is not a de Polignac number, because 53473153457 - 2²² = 53468959153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53473153451) 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, 1891232 + ... + 1919297.

It is an arithmetic number, because the mean of its divisors is an integer number (13369244505).

Almost surely, 2^53473153457 is an apocalyptic number.

It is an amenable number.

53473153457 is a deficient number, since it is larger than the sum of its proper divisors (3824563).

53473153457 is a wasteful number, since it uses less digits than its factorization.

53473153457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3824562.

The product of its digits is 2646000, while the sum is 47.

The spelling of 53473153457 in words is "fifty-three billion, four hundred seventy-three million, one hundred fifty-three thousand, four hundred fifty-seven".