1553252524420 has 24 divisors (see below), whose sum is σ = 3264564492504. Its totient is φ = 620780211456.

The previous prime is 1553252524403. The next prime is 1553252524429. The reversal of 1553252524420 is 244252523551.

It can be written as a sum of positive squares in 4 ways, for example, as 11001492544 + 1542251031876 = 104888^2 + 1241874^2 .

It is not an unprimeable number, because it can be changed into a prime (1553252524429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32525439 + ... + 32573158.

It is an arithmetic number, because the mean of its divisors is an integer number (136023520521).

Almost surely, 2^{1553252524420} is an apocalyptic number.

1553252524420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1553252524420 is an abundant number, since it is smaller than the sum of its proper divisors (1711311968084).

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

1553252524420 is a wasteful number, since it uses less digits than its factorization.

1553252524420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65099799 (or 65099797 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 40.

The spelling of 1553252524420 in words is "one trillion, five hundred fifty-three billion, two hundred fifty-two million, five hundred twenty-four thousand, four hundred twenty".