53666740888 has 32 divisors (see below), whose sum is σ = 104213257200. Its totient is φ = 25878642048.

The previous prime is 53666740823. The next prime is 53666740973. The reversal of 53666740888 is 88804766635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73870 + ... + 335842.

Almost surely, 2^53666740888 is an apocalyptic number.

53666740888 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

53666740888 is a deficient number, since it is larger than the sum of its proper divisors (50546516312).

53666740888 is a wasteful number, since it uses less digits than its factorization.

53666740888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262891 (or 262887 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 61.

The spelling of 53666740888 in words is "fifty-three billion, six hundred sixty-six million, seven hundred forty thousand, eight hundred eighty-eight".