53202191499 has 20 divisors (see below), whose sum is σ = 79950796464. Its totient is φ = 35255734704.

The previous prime is 53202191491. The next prime is 53202191563. The reversal of 53202191499 is 99419120235.

53202191499 is a `hidden beast` number, since 53 + 2 + 0 + 21 + 91 + 499 = 666.

It is not a de Polignac number, because 53202191499 - 2³ = 53202191491 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53202191491) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1952992 + ... + 1980045.

Almost surely, 2^53202191499 is an apocalyptic number.

53202191499 is a deficient number, since it is larger than the sum of its proper divisors (26748604965).

53202191499 is a wasteful number, since it uses less digits than its factorization.

53202191499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933216 (or 3933207 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The spelling of 53202191499 in words is "fifty-three billion, two hundred two million, one hundred ninety-one thousand, four hundred ninety-nine".