1553474564 has 12 divisors (see below), whose sum is σ = 2738139600. Its totient is φ = 771148968.

The previous prime is 1553474519. The next prime is 1553474567. The reversal of 1553474564 is 4654743551.

It is not an unprimeable number, because it can be changed into a prime (1553474567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1396454 + ... + 1397565.

It is an arithmetic number, because the mean of its divisors is an integer number (228178300).

Almost surely, 2^1553474564 is an apocalyptic number.

It is an amenable number.

1553474564 is a deficient number, since it is larger than the sum of its proper divisors (1184665036).

1553474564 is a wasteful number, since it uses less digits than its factorization.

1553474564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2794162 (or 2794160 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 44.

The square root of 1553474564 is about 39414.1416752921. The cubic root of 1553474564 is about 1158.1586332853.

The spelling of 1553474564 in words is "one billion, five hundred fifty-three million, four hundred seventy-four thousand, five hundred sixty-four".