53989973532612 has 384 divisors, whose sum is σ = 168040474560000. Its totient is φ = 14809413648384.

The previous prime is 53989973532577. The next prime is 53989973532613. The reversal of 53989973532612 is 21623537998935.

It is a happy number.

53989973532612 is a `hidden beast` number, since 5 + 3 + 9 + 8 + 9 + 9 + 7 + 353 + 261 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (53989973532613) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3904105714 + ... + 3904119542.

It is an arithmetic number, because the mean of its divisors is an integer number (437605402500).

Almost surely, 2^{53989973532612} is an apocalyptic number.

53989973532612 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 53989973532612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84020237280000).

53989973532612 is an abundant number, since it is smaller than the sum of its proper divisors (114050501027388).

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

53989973532612 is a wasteful number, since it uses less digits than its factorization.

53989973532612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22500 (or 22492 counting only the distinct ones).

The product of its digits is 661348800, while the sum is 72.

The spelling of 53989973532612 in words is "fifty-three trillion, nine hundred eighty-nine billion, nine hundred seventy-three million, five hundred thirty-two thousand, six hundred twelve".