1553553116 has 24 divisors (see below), whose sum is σ = 2750993280. Its totient is φ = 767591792.

The previous prime is 1553553103. The next prime is 1553553137. The reversal of 1553553116 is 6113553551.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 175001 + ... + 183663.

It is an arithmetic number, because the mean of its divisors is an integer number (114624720).

Almost surely, 2^1553553116 is an apocalyptic number.

It is an amenable number.

1553553116 is a deficient number, since it is larger than the sum of its proper divisors (1197440164).

1553553116 is a wasteful number, since it uses less digits than its factorization.

1553553116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9193 (or 9191 counting only the distinct ones).

The product of its digits is 33750, while the sum is 35.

The square root of 1553553116 is about 39415.1381578195. The cubic root of 1553553116 is about 1158.1781538589.

The spelling of 1553553116 in words is "one billion, five hundred fifty-three million, five hundred fifty-three thousand, one hundred sixteen".