1553044004 has 12 divisors (see below), whose sum is σ = 2727432624. Its totient is φ = 773777544.

The previous prime is 1553043979. The next prime is 1553044033. The reversal of 1553044004 is 4004403551.

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, 684842 + ... + 687105.

It is an arithmetic number, because the mean of its divisors is an integer number (227286052).

Almost surely, 2^1553044004 is an apocalyptic number.

It is an amenable number.

1553044004 is a deficient number, since it is larger than the sum of its proper divisors (1174388620).

1553044004 is a wasteful number, since it uses less digits than its factorization.

1553044004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372234 (or 1372232 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 1553044004 is about 39408.6792978400. The cubic root of 1553044004 is about 1158.0516252341.

Adding to 1553044004 its reverse (4004403551), we get a palindrome (5557447555).

The spelling of 1553044004 in words is "one billion, five hundred fifty-three million, forty-four thousand, four".