53666963532 has 768 divisors, whose sum is σ = 190106828800. Its totient is φ = 12697896960.

The previous prime is 53666963527. The next prime is 53666963591. The reversal of 53666963532 is 23536966635.

53666963532 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 422574453 + ... + 422574579.

Almost surely, 2^53666963532 is an apocalyptic number.

53666963532 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53666963532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95053414400).

53666963532 is an abundant number, since it is smaller than the sum of its proper divisors (136439865268).

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

53666963532 is a wasteful number, since it uses less digits than its factorization.

53666963532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283 (or 275 counting only the distinct ones).

The product of its digits is 15746400, while the sum is 54.

The spelling of 53666963532 in words is "fifty-three billion, six hundred sixty-six million, nine hundred sixty-three thousand, five hundred thirty-two".