1553305552 has 20 divisors (see below), whose sum is σ = 3140379360. Its totient is φ = 742885088.

The previous prime is 1553305543. The next prime is 1553305573. The reversal of 1553305552 is 2555033551.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2110102 + ... + 2110837.

It is an arithmetic number, because the mean of its divisors is an integer number (157018968).

Almost surely, 2^1553305552 is an apocalyptic number.

It is an amenable number.

1553305552 is an abundant number, since it is smaller than the sum of its proper divisors (1587073808).

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

1553305552 is a wasteful number, since it uses less digits than its factorization.

1553305552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4220970 (or 4220964 counting only the distinct ones).

The product of its (nonzero) digits is 56250, while the sum is 34.

The square root of 1553305552 is about 39411.9975641936. The cubic root of 1553305552 is about 1158.1166307081.

The spelling of 1553305552 in words is "one billion, five hundred fifty-three million, three hundred five thousand, five hundred fifty-two".