53490794277999 has 16 divisors (see below), whose sum is σ = 76807484006400. Its totient is φ = 32917330581216.

The previous prime is 53490794277967. The next prime is 53490794278021. The reversal of 53490794277999 is 99977249709435.

It is a happy number.

It is not a de Polignac number, because 53490794277999 - 2⁵ = 53490794277967 is a prime.

It is a super-3 number, since 3×53490794277999³ (a number of 42 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53490794277919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16882642 + ... + 19799120.

It is an arithmetic number, because the mean of its divisors is an integer number (4800467750400).

Almost surely, 2^{53490794277999} is an apocalyptic number.

53490794277999 is a deficient number, since it is larger than the sum of its proper divisors (23316689728401).

53490794277999 is a wasteful number, since it uses less digits than its factorization.

53490794277999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3386774.

The product of its (nonzero) digits is 9721827360, while the sum is 84.

The spelling of 53490794277999 in words is "fifty-three trillion, four hundred ninety billion, seven hundred ninety-four million, two hundred seventy-seven thousand, nine hundred ninety-nine".