53700020571 has 4 divisors (see below), whose sum is σ = 71600027432. Its totient is φ = 35800013712.

The previous prime is 53700020527. The next prime is 53700020581. The reversal of 53700020571 is 17502000735.

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

It is not a de Polignac number, because 53700020571 - 2⁷ = 53700020443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53700020581) 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, 8950003426 + ... + 8950003431.

It is an arithmetic number, because the mean of its divisors is an integer number (17900006858).

Almost surely, 2^53700020571 is an apocalyptic number.

53700020571 is a deficient number, since it is larger than the sum of its proper divisors (17900006861).

53700020571 is a wasteful number, since it uses less digits than its factorization.

53700020571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17900006860.

The product of its (nonzero) digits is 7350, while the sum is 30.

The spelling of 53700020571 in words is "fifty-three billion, seven hundred million, twenty thousand, five hundred seventy-one".