1553152552 has 64 divisors (see below), whose sum is σ = 3428208000. Its totient is φ = 645739776.

The previous prime is 1553152543. The next prime is 1553152621. The reversal of 1553152552 is 2552513551.

It is a super-2 number, since 2×1553152552² = 4824565699568225408, which contains 22 as substring.

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, 867274 + ... + 869062.

It is an arithmetic number, because the mean of its divisors is an integer number (53565750).

Almost surely, 2^1553152552 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 1553152552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1714104000).

1553152552 is an abundant number, since it is smaller than the sum of its proper divisors (1875055448).

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

1553152552 is a wasteful number, since it uses less digits than its factorization.

1553152552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2258 (or 2254 counting only the distinct ones).

The product of its digits is 37500, while the sum is 34.

The square root of 1553152552 is about 39410.0564830856. The cubic root of 1553152552 is about 1158.0786047785.

The spelling of 1553152552 in words is "one billion, five hundred fifty-three million, one hundred fifty-two thousand, five hundred fifty-two".