53542521552 has 80 divisors (see below), whose sum is σ = 148990741760. Its totient is φ = 16471005696.

The previous prime is 53542521541. The next prime is 53542521611. The reversal of 53542521552 is 25512524535.

It is a super-2 number, since 2×53542521552² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 53542521552.

It is a congruent number.

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, 4809849 + ... + 4820967.

It is an arithmetic number, because the mean of its divisors is an integer number (1862384272).

Almost surely, 2^53542521552 is an apocalyptic number.

53542521552 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

53542521552 is an abundant number, since it is smaller than the sum of its proper divisors (95448220208).

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

53542521552 is a wasteful number, since it uses less digits than its factorization.

53542521552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18860 (or 18854 counting only the distinct ones).

The product of its digits is 300000, while the sum is 39.

The spelling of 53542521552 in words is "fifty-three billion, five hundred forty-two million, five hundred twenty-one thousand, five hundred fifty-two".