53664829508 has 12 divisors (see below), whose sum is σ = 94598952252. Its totient is φ = 26636557440.

The previous prime is 53664829507. The next prime is 53664829531. The reversal of 53664829508 is 80592846635.

It can be written as a sum of positive squares in 2 ways, for example, as 45692482564 + 7972346944 = 213758^2 + 89288^2 .

It is a super-2 number, since 2×53664829508² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (53664829507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48963713 + ... + 48964808.

It is an arithmetic number, because the mean of its divisors is an integer number (7883246021).

Almost surely, 2^53664829508 is an apocalyptic number.

It is an amenable number.

53664829508 is a deficient number, since it is larger than the sum of its proper divisors (40934122744).

53664829508 is a wasteful number, since it uses less digits than its factorization.

53664829508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97928662 (or 97928660 counting only the distinct ones).

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 53664829508 in words is "fifty-three billion, six hundred sixty-four million, eight hundred twenty-nine thousand, five hundred eight".