53113374563 has 4 divisors (see below), whose sum is σ = 53785695840. Its totient is φ = 52441053288.

The previous prime is 53113374557. The next prime is 53113374583. The reversal of 53113374563 is 36547331135.

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 53113374563 - 2⁴ = 53113374547 is a prime.

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 53113374563.

It is not an unprimeable number, because it can be changed into a prime (53113374583) 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, 336160520 + ... + 336160677.

It is an arithmetic number, because the mean of its divisors is an integer number (13446423960).

Almost surely, 2^53113374563 is an apocalyptic number.

53113374563 is a deficient number, since it is larger than the sum of its proper divisors (672321277).

53113374563 is an equidigital number, since it uses as much as digits as its factorization.

53113374563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672321276.

The product of its digits is 340200, while the sum is 41.

The spelling of 53113374563 in words is "fifty-three billion, one hundred thirteen million, three hundred seventy-four thousand, five hundred sixty-three".