1555057196 has 48 divisors (see below), whose sum is σ = 3396744960. Its totient is φ = 605171520.

The previous prime is 1555057193. The next prime is 1555057213. The reversal of 1555057196 is 6917505551.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (1555057193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 326891 + ... + 331613.

It is an arithmetic number, because the mean of its divisors is an integer number (70765520).

Almost surely, 2^1555057196 is an apocalyptic number.

It is an amenable number.

1555057196 is an abundant number, since it is smaller than the sum of its proper divisors (1841687764).

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

1555057196 is a wasteful number, since it uses less digits than its factorization.

1555057196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5814 (or 5812 counting only the distinct ones).

The product of its (nonzero) digits is 236250, while the sum is 44.

The square root of 1555057196 is about 39434.2135207487. The cubic root of 1555057196 is about 1158.5517985724.

The spelling of 1555057196 in words is "one billion, five hundred fifty-five million, fifty-seven thousand, one hundred ninety-six".