1553873996 has 6 divisors (see below), whose sum is σ = 2719279500. Its totient is φ = 776936996.

The previous prime is 1553873957. The next prime is 1553874013. The reversal of 1553873996 is 6993783551.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 194234246 + ... + 194234253.

It is an arithmetic number, because the mean of its divisors is an integer number (453213250).

Almost surely, 2^1553873996 is an apocalyptic number.

It is an amenable number.

1553873996 is a deficient number, since it is larger than the sum of its proper divisors (1165405504).

1553873996 is a wasteful number, since it uses less digits than its factorization.

1553873996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388468503 (or 388468501 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 56.

The square root of 1553873996 is about 39419.2084649096. The cubic root of 1553873996 is about 1158.2578873461.

The spelling of 1553873996 in words is "one billion, five hundred fifty-three million, eight hundred seventy-three thousand, nine hundred ninety-six".