557273332 has 48 divisors (see below), whose sum is σ = 1221333120. Its totient is φ = 216144000.

The previous prime is 557273303. The next prime is 557273351. The reversal of 557273332 is 233372755.

It is a junction number, because it is equal to n+sod(n) for n = 557273291 and 557273300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66582 + ... + 74482.

It is an arithmetic number, because the mean of its divisors is an integer number (25444440).

Almost surely, 2^557273332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 557273332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (610666560).

557273332 is an abundant number, since it is smaller than the sum of its proper divisors (664059788).

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

557273332 is a wasteful number, since it uses less digits than its factorization.

557273332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152 (or 8150 counting only the distinct ones).

The product of its digits is 132300, while the sum is 37.

The square root of 557273332 is about 23606.6374564443. The cubic root of 557273332 is about 822.9170998793.

The spelling of 557273332 in words is "five hundred fifty-seven million, two hundred seventy-three thousand, three hundred thirty-two".