1553297672 has 32 divisors (see below), whose sum is σ = 2958742080. Its totient is φ = 764339520.

The previous prime is 1553297653. The next prime is 1553297693. The reversal of 1553297672 is 2767923551.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 363098 + ... + 367350.

It is an arithmetic number, because the mean of its divisors is an integer number (92460690).

Almost surely, 2^1553297672 is an apocalyptic number.

It is an amenable number.

1553297672 is a deficient number, since it is larger than the sum of its proper divisors (1405444408).

1553297672 is a wasteful number, since it uses less digits than its factorization.

1553297672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4973 (or 4969 counting only the distinct ones).

The product of its digits is 793800, while the sum is 47.

The square root of 1553297672 is about 39411.8975945082. The cubic root of 1553297672 is about 1158.1146723094.

The spelling of 1553297672 in words is "one billion, five hundred fifty-three million, two hundred ninety-seven thousand, six hundred seventy-two".