53489472361920 has 2688 divisors, whose sum is σ = 229968089874432. Its totient is φ = 11581437542400.

The previous prime is 53489472361877. The next prime is 53489472361933. The reversal of 53489472361920 is 2916327498435.

53489472361920 is a `hidden beast` number, since 5 + 3 + 4 + 8 + 9 + 4 + 7 + 2 + 3 + 619 + 2 + 0 = 666.

It is a super-2 number, since 2×53489472361920² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 124105504105 + ... + 124105504535.

It is an arithmetic number, because the mean of its divisors is an integer number (85553604864).

It is a 1-persistent number, because it is pandigital, but 2⋅53489472361920 = 106978944723840 is not.

Almost surely, 2^{53489472361920} 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 53489472361920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114984044937216).

53489472361920 is an abundant number, since it is smaller than the sum of its proper divisors (176478617512512).

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

53489472361920 is a wasteful number, since it uses less digits than its factorization.

53489472361920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 639 counting only the distinct ones).

The product of its (nonzero) digits is 78382080, while the sum is 63.

The spelling of 53489472361920 in words is "fifty-three trillion, four hundred eighty-nine billion, four hundred seventy-two million, three hundred sixty-one thousand, nine hundred twenty".