1553034420 has 108 divisors (see below), whose sum is σ = 5480024004. Its totient is φ = 354977280.

The previous prime is 1553034401. The next prime is 1553034433. The reversal of 1553034420 is 244303551.

It can be written as a sum of positive squares in 2 ways, for example, as 1064977956 + 488056464 = 32634^2 + 22092^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 79221 + ... + 96860.

It is an arithmetic number, because the mean of its divisors is an integer number (50740963).

Almost surely, 2^1553034420 is an apocalyptic number.

1553034420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553034420 is an abundant number, since it is smaller than the sum of its proper divisors (3926989584).

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

1553034420 is a wasteful number, since it uses less digits than its factorization.

1553034420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176110 (or 176098 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 1553034420 is about 39408.5577000732. The cubic root of 1553034420 is about 1158.0492430758.

Adding to 1553034420 its reverse (244303551), we get a palindrome (1797337971).

The spelling of 1553034420 in words is "one billion, five hundred fifty-three million, thirty-four thousand, four hundred twenty".