53500204531 has 8 divisors (see below), whose sum is σ = 55780830720. Its totient is φ = 51248631168.

The previous prime is 53500204489. The next prime is 53500204543. The reversal of 53500204531 is 13540200535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53500204531 - 2²¹ = 53498107379 is a prime.

It is a super-2 number, since 2×53500204531² (a number of 22 digits) contains 22 as substring.

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 53500204531.

It is not an unprimeable number, because it can be changed into a prime (53500204561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7259446 + ... + 7266811.

It is an arithmetic number, because the mean of its divisors is an integer number (6972603840).

Almost surely, 2^53500204531 is an apocalyptic number.

53500204531 is a deficient number, since it is larger than the sum of its proper divisors (2280626189).

53500204531 is a wasteful number, since it uses less digits than its factorization.

53500204531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14526413.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 53500204531 in words is "fifty-three billion, five hundred million, two hundred four thousand, five hundred thirty-one".