1553030890 has 8 divisors (see below), whose sum is σ = 2795455620. Its totient is φ = 621212352.

The previous prime is 1553030879. The next prime is 1553030891. The reversal of 1553030890 is 980303551.

It can be written as a sum of positive squares in 2 ways, for example, as 1548658609 + 4372281 = 39353^2 + 2091^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1553030891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77651535 + ... + 77651554.

Almost surely, 2^1553030890 is an apocalyptic number.

1553030890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1553030890 is a deficient number, since it is larger than the sum of its proper divisors (1242424730).

1553030890 is a wasteful number, since it uses less digits than its factorization.

1553030890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155303096.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 1553030890 is about 39408.5129128213. The cubic root of 1553030890 is about 1158.0483656716.

The spelling of 1553030890 in words is "one billion, five hundred fifty-three million, thirty thousand, eight hundred ninety".