53040153544 has 64 divisors (see below), whose sum is σ = 120439353600. Its totient is φ = 21377255424.

The previous prime is 53040153533. The next prime is 53040153557. The reversal of 53040153544 is 44535104035.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1205517 + ... + 1248739.

It is an arithmetic number, because the mean of its divisors is an integer number (1881864900).

Almost surely, 2^53040153544 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 53040153544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60219676800).

53040153544 is an abundant number, since it is smaller than the sum of its proper divisors (67399200056).

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

53040153544 is a wasteful number, since it uses less digits than its factorization.

53040153544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44542 (or 44538 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 53040153544 its reverse (44535104035), we get a palindrome (97575257579).

The spelling of 53040153544 in words is "fifty-three billion, forty million, one hundred fifty-three thousand, five hundred forty-four".