553155520242 has 32 divisors (see below), whose sum is σ = 1192274838720. Its totient is φ = 170078420160.

The previous prime is 553155520217. The next prime is 553155520261. The reversal of 553155520242 is 242025551355.

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 553155520242.

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, 2459892 + ... + 2675327.

It is an arithmetic number, because the mean of its divisors is an integer number (37258588710).

Almost surely, 2^553155520242 is an apocalyptic number.

553155520242 is an abundant number, since it is smaller than the sum of its proper divisors (639119318478).

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

553155520242 is a wasteful number, since it uses less digits than its factorization.

553155520242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5136618.

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

The spelling of 553155520242 in words is "five hundred fifty-three billion, one hundred fifty-five million, five hundred twenty thousand, two hundred forty-two".