1553005412 has 18 divisors (see below), whose sum is σ = 3161475702. Its totient is φ = 665573664.

The previous prime is 1553005397. The next prime is 1553005427. The reversal of 1553005412 is 2145003551.

It is an interprime number because it is at equal distance from previous prime (1553005397) and next prime (1553005427).

It can be written as a sum of positive squares in only one way, i.e., 1201592896 + 351412516 = 34664^2 + 18746^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3961553 + ... + 3961944.

It is an arithmetic number, because the mean of its divisors is an integer number (175637539).

Almost surely, 2^1553005412 is an apocalyptic number.

It is an amenable number.

1553005412 is an abundant number, since it is smaller than the sum of its proper divisors (1608470290).

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

1553005412 is a wasteful number, since it uses less digits than its factorization.

1553005412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7923515 (or 7923506 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 1553005412 is about 39408.1896564661. The cubic root of 1553005412 is about 1158.0420329112.

Adding to 1553005412 its reverse (2145003551), we get a palindrome (3698008963).

The spelling of 1553005412 in words is "one billion, five hundred fifty-three million, five thousand, four hundred twelve".