1553531104 has 24 divisors (see below), whose sum is σ = 3100416480. Its totient is φ = 766123776.

The previous prime is 1553531101. The next prime is 1553531107. The reversal of 1553531104 is 4011353551.

It is an interprime number because it is at equal distance from previous prime (1553531101) and next prime (1553531107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553531101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330184 + ... + 334855.

It is an arithmetic number, because the mean of its divisors is an integer number (129184020).

Almost surely, 2^1553531104 is an apocalyptic number.

It is an amenable number.

1553531104 is a deficient number, since it is larger than the sum of its proper divisors (1546885376).

1553531104 is an equidigital number, since it uses as much as digits as its factorization.

1553531104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665122 (or 665114 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 1553531104 is about 39414.8589240149. The cubic root of 1553531104 is about 1158.1726838307.

Adding to 1553531104 its reverse (4011353551), we get a palindrome (5564884655).

The spelling of 1553531104 in words is "one billion, five hundred fifty-three million, five hundred thirty-one thousand, one hundred four".