53753423664 has 40 divisors (see below), whose sum is σ = 138885690112. Its totient is φ = 17914881600.

The previous prime is 53753423663. The next prime is 53753423681. The reversal of 53753423664 is 46632435735.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (53753423663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216189 + ... + 392739.

Almost surely, 2^53753423664 is an apocalyptic number.

It is an amenable number.

53753423664 is an abundant number, since it is smaller than the sum of its proper divisors (85132266448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53753423664 is a wasteful number, since it uses less digits than its factorization.

53753423664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182905 (or 182899 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 48.

The spelling of 53753423664 in words is "fifty-three billion, seven hundred fifty-three million, four hundred twenty-three thousand, six hundred sixty-four".