53966513205 has 24 divisors (see below), whose sum is σ = 102045771360. Its totient is φ = 26165581920.

The previous prime is 53966513201. The next prime is 53966513231. The reversal of 53966513205 is 50231566935.

53966513205 is a `hidden beast` number, since 5 + 396 + 6 + 51 + 3 + 205 = 666.

It is not a de Polignac number, because 53966513205 - 2² = 53966513201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53966513201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54511135 + ... + 54512124.

It is an arithmetic number, because the mean of its divisors is an integer number (4251907140).

Almost surely, 2^53966513205 is an apocalyptic number.

53966513205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

53966513205 is a deficient number, since it is larger than the sum of its proper divisors (48079258155).

53966513205 is a wasteful number, since it uses less digits than its factorization.

53966513205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109023281 (or 109023278 counting only the distinct ones).

The product of its (nonzero) digits is 729000, while the sum is 45.

The spelling of 53966513205 in words is "fifty-three billion, nine hundred sixty-six million, five hundred thirteen thousand, two hundred five".