10557442 has 24 divisors (see below), whose sum is σ = 19508364. Its totient is φ = 4257792.

The previous prime is 10557439. The next prime is 10557461. The reversal of 10557442 is 24475501.

It can be written as a sum of positive squares in 2 ways, for example, as 10504081 + 53361 = 3241^2 + 231^2 .

It is a super-2 number, since 2×10557442² = 222919163166728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10557442.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1503 + ... + 4834.

Almost surely, 2^10557442 is an apocalyptic number.

10557442 is a deficient number, since it is larger than the sum of its proper divisors (8950922).

10557442 is a wasteful number, since it uses less digits than its factorization.

10557442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6370 (or 6363 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 10557442 is about 3249.2217529741. The cubic root of 10557442 is about 219.3745458496.

The spelling of 10557442 in words is "ten million, five hundred fifty-seven thousand, four hundred forty-two".