53497582573 has 4 divisors (see below), whose sum is σ = 55823564448. Its totient is φ = 51171600700.

The previous prime is 53497582547. The next prime is 53497582597. The reversal of 53497582573 is 37528579435.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53497582573 - 2¹³ = 53497574381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53497582543) 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, 1162990903 + ... + 1162990948.

It is an arithmetic number, because the mean of its divisors is an integer number (13955891112).

Almost surely, 2^53497582573 is an apocalyptic number.

It is an amenable number.

53497582573 is a deficient number, since it is larger than the sum of its proper divisors (2325981875).

53497582573 is a wasteful number, since it uses less digits than its factorization.

53497582573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2325981874.

The product of its digits is 31752000, while the sum is 58.

The spelling of 53497582573 in words is "fifty-three billion, four hundred ninety-seven million, five hundred eighty-two thousand, five hundred seventy-three".