1553114320 has 40 divisors (see below), whose sum is σ = 3617509536. Its totient is φ = 620124288.

The previous prime is 1553114281. The next prime is 1553114323. The reversal of 1553114320 is 234113551.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1553114323) by changing a digit.

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, 27799 + ... + 62281.

Almost surely, 2^1553114320 is an apocalyptic number.

1553114320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553114320 is an abundant number, since it is smaller than the sum of its proper divisors (2064395216).

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

1553114320 is a wasteful number, since it uses less digits than its factorization.

1553114320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35059 (or 35053 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1553114320 is about 39409.5714262411. The cubic root of 1553114320 is about 1158.0691023798.

Adding to 1553114320 its reverse (234113551), we get a palindrome (1787227871).

The spelling of 1553114320 in words is "one billion, five hundred fifty-three million, one hundred fourteen thousand, three hundred twenty".