1553314420 has 24 divisors (see below), whose sum is σ = 3727954944. Its totient is φ = 532564896.

The previous prime is 1553314403. The next prime is 1553314457. The reversal of 1553314420 is 244133551.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5547412 + ... + 5547691.

It is an arithmetic number, because the mean of its divisors is an integer number (155331456).

Almost surely, 2^1553314420 is an apocalyptic number.

1553314420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553314420 is an abundant number, since it is smaller than the sum of its proper divisors (2174640524).

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

1553314420 is a wasteful number, since it uses less digits than its factorization.

1553314420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11095119 (or 11095117 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 1553314420 is about 39412.1100678459. The cubic root of 1553314420 is about 1158.1188346442.

Adding to 1553314420 its reverse (244133551), we get a palindrome (1797447971).

The spelling of 1553314420 in words is "one billion, five hundred fifty-three million, three hundred fourteen thousand, four hundred twenty".