53988692940 has 1152 divisors, whose sum is σ = 223425699840. Its totient is φ = 10712217600.

The previous prime is 53988692921. The next prime is 53988692941. The reversal of 53988692940 is 4929688935.

53988692940 is a `hidden beast` number, since 539 + 8 + 8 + 6 + 9 + 2 + 94 + 0 = 666.

53988692940 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 (63).

It is not an unprimeable number, because it can be changed into a prime (53988692941) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 650466139 + ... + 650466221.

It is an arithmetic number, because the mean of its divisors is an integer number (193945920).

Almost surely, 2^53988692940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53988692940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111712849920).

53988692940 is an abundant number, since it is smaller than the sum of its proper divisors (169437006900).

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

53988692940 is a wasteful number, since it uses less digits than its factorization.

53988692940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 63.

The spelling of 53988692940 in words is "fifty-three billion, nine hundred eighty-eight million, six hundred ninety-two thousand, nine hundred forty".