53542921536 has 224 divisors, whose sum is σ = 171200064000. Its totient is φ = 16310937600.

The previous prime is 53542921499. The next prime is 53542921573. The reversal of 53542921536 is 63512924535.

53542921536 is a `hidden beast` number, since 5 + 3 + 5 + 429 + 215 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (53542921499) and next prime (53542921573).

It is a super-2 number, since 2×53542921536² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53542921491 and 53542921500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2257065 + ... + 2280663.

It is an arithmetic number, because the mean of its divisors is an integer number (764286000).

Almost surely, 2^53542921536 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 53542921536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85600032000).

53542921536 is an abundant number, since it is smaller than the sum of its proper divisors (117657142464).

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

53542921536 is a wasteful number, since it uses less digits than its factorization.

53542921536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23734 (or 23718 counting only the distinct ones).

The product of its digits is 972000, while the sum is 45.

The spelling of 53542921536 in words is "fifty-three billion, five hundred forty-two million, nine hundred twenty-one thousand, five hundred thirty-six".