53797806261 has 16 divisors (see below), whose sum is σ = 79890686400. Its totient is φ = 35779599504.

The previous prime is 53797806241. The next prime is 53797806289. The reversal of 53797806261 is 16260879735.

53797806261 is a `hidden beast` number, since 5 + 3 + 7 + 9 + 7 + 8 + 0 + 626 + 1 = 666.

It is not a de Polignac number, because 53797806261 - 2¹⁸ = 53797544117 is a prime.

It is a super-3 number, since 3×53797806261³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53797806198 and 53797806207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53797806221) 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, 2366386 + ... + 2389011.

It is an arithmetic number, because the mean of its divisors is an integer number (4993167900).

Almost surely, 2^53797806261 is an apocalyptic number.

It is an amenable number.

53797806261 is a deficient number, since it is larger than the sum of its proper divisors (26092880139).

53797806261 is a wasteful number, since it uses less digits than its factorization.

53797806261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4755825 (or 4755819 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 54.

The spelling of 53797806261 in words is "fifty-three billion, seven hundred ninety-seven million, eight hundred six thousand, two hundred sixty-one".