1553320104 has 64 divisors (see below), whose sum is σ = 4510842240. Its totient is φ = 436527360.

The previous prime is 1553320063. The next prime is 1553320133. The reversal of 1553320104 is 4010233551.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 65539 + ... + 86034.

It is an arithmetic number, because the mean of its divisors is an integer number (70481910).

Almost surely, 2^1553320104 is an apocalyptic number.

1553320104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1553320104 is an abundant number, since it is smaller than the sum of its proper divisors (2957522136).

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

1553320104 is a wasteful number, since it uses less digits than its factorization.

1553320104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151650 (or 151646 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1553320104 is about 39412.1821775958. The cubic root of 1553320104 is about 1158.1202472665.

Adding to 1553320104 its reverse (4010233551), we get a palindrome (5563553655).

The spelling of 1553320104 in words is "one billion, five hundred fifty-three million, three hundred twenty thousand, one hundred four".