53261223399 has 6 divisors (see below), whose sum is σ = 76932878256. Its totient is φ = 35507482260.

The previous prime is 53261223371. The next prime is 53261223409. The reversal of 53261223399 is 99332216235.

It is a happy number.

53261223399 is a `hidden beast` number, since 5 + 3 + 2 + 612 + 23 + 3 + 9 + 9 = 666.

It is not a de Polignac number, because 53261223399 - 2⁷ = 53261223271 is a prime.

It is a super-2 number, since 2×53261223399² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53261223319) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2958956847 + ... + 2958956864.

It is an arithmetic number, because the mean of its divisors is an integer number (12822146376).

Almost surely, 2^53261223399 is an apocalyptic number.

53261223399 is a deficient number, since it is larger than the sum of its proper divisors (23671654857).

53261223399 is a wasteful number, since it uses less digits than its factorization.

53261223399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5917913717 (or 5917913714 counting only the distinct ones).

The product of its digits is 524880, while the sum is 45.

The spelling of 53261223399 in words is "fifty-three billion, two hundred sixty-one million, two hundred twenty-three thousand, three hundred ninety-nine".