53615713994 has 4 divisors (see below), whose sum is σ = 80423570994. Its totient is φ = 26807856996.

The previous prime is 53615713933. The next prime is 53615713997. The reversal of 53615713994 is 49931751635.

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

It can be written as a sum of positive squares in only one way, i.e., 53078169769 + 537544225 = 230387^2 + 23185^2 .

It is not an unprimeable number, because it can be changed into a prime (53615713997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13403928497 + ... + 13403928500.

Almost surely, 2^53615713994 is an apocalyptic number.

53615713994 is a deficient number, since it is larger than the sum of its proper divisors (26807857000).

53615713994 is a wasteful number, since it uses less digits than its factorization.

53615713994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26807856999.

The product of its digits is 3061800, while the sum is 53.

The spelling of 53615713994 in words is "fifty-three billion, six hundred fifteen million, seven hundred thirteen thousand, nine hundred ninety-four".