1553973796 has 12 divisors (see below), whose sum is σ = 2723768320. Its totient is φ = 775754280.

The previous prime is 1553973793. The next prime is 1553973829. The reversal of 1553973796 is 6973793551.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1553973793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305316 + ... + 310363.

Almost surely, 2^1553973796 is an apocalyptic number.

It is an amenable number.

1553973796 is a deficient number, since it is larger than the sum of its proper divisors (1169794524).

1553973796 is a wasteful number, since it uses less digits than its factorization.

1553973796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616314 (or 616312 counting only the distinct ones).

The product of its digits is 5358150, while the sum is 55.

The square root of 1553973796 is about 39420.4743248987. The cubic root of 1553973796 is about 1158.2826837931.

The spelling of 1553973796 in words is "one billion, five hundred fifty-three million, nine hundred seventy-three thousand, seven hundred ninety-six".