1553003690 has 64 divisors (see below), whose sum is σ = 3242004480. Its totient is φ = 524646720.

The previous prime is 1553003689. The next prime is 1553003713. The reversal of 1553003690 is 963003551.

It is a super-2 number, since 2×1553003690² = 4823640922307232200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1494191 + ... + 1495229.

It is an arithmetic number, because the mean of its divisors is an integer number (50656320).

Almost surely, 2^1553003690 is an apocalyptic number.

1553003690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1553003690 is an abundant number, since it is smaller than the sum of its proper divisors (1689000790).

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

1553003690 is a wasteful number, since it uses less digits than its factorization.

1553003690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 1553003690 is about 39408.1678082095. The cubic root of 1553003690 is about 1158.0416048918.

The spelling of 1553003690 in words is "one billion, five hundred fifty-three million, three thousand, six hundred ninety".