1557196050 has 48 divisors (see below), whose sum is σ = 3885599520. Its totient is φ = 412698240.

The previous prime is 1557196037. The next prime is 1557196051. The reversal of 1557196050 is 506917551.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1557196051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7395 + ... + 56294.

It is an arithmetic number, because the mean of its divisors is an integer number (80949990).

Almost surely, 2^1557196050 is an apocalyptic number.

1557196050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1557196050 is an abundant number, since it is smaller than the sum of its proper divisors (2328403470).

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

1557196050 is a wasteful number, since it uses less digits than its factorization.

1557196050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63867 (or 63862 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 39.

The square root of 1557196050 is about 39461.3234699497. The cubic root of 1557196050 is about 1159.0827196513.

The spelling of 1557196050 in words is "one billion, five hundred fifty-seven million, one hundred ninety-six thousand, fifty".