1553471552 has 28 divisors (see below), whose sum is σ = 3140840556. Its totient is φ = 762078720.

The previous prime is 1553471533. The next prime is 1553471561. The reversal of 1553471552 is 2551743551.

It can be written as a sum of positive squares in 2 ways, for example, as 1012257856 + 541213696 = 31816^2 + 23264^2 .

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, 225599 + ... + 232382.

It is an arithmetic number, because the mean of its divisors is an integer number (112172877).

Almost surely, 2^1553471552 is an apocalyptic number.

It is an amenable number.

1553471552 is an abundant number, since it is smaller than the sum of its proper divisors (1587369004).

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

1553471552 is an equidigital number, since it uses as much as digits as its factorization.

1553471552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458046 (or 458036 counting only the distinct ones).

The product of its digits is 105000, while the sum is 38.

The square root of 1553471552 is about 39414.1034656378. The cubic root of 1553471552 is about 1158.1578847748.

The spelling of 1553471552 in words is "one billion, five hundred fifty-three million, four hundred seventy-one thousand, five hundred fifty-two".