10552778 has 8 divisors (see below), whose sum is σ = 15898980. Its totient is φ = 5253120.

The previous prime is 10552757. The next prime is 10552813. The reversal of 10552778 is 87725501.

It can be written as a sum of positive squares in 2 ways, for example, as 10452289 + 100489 = 3233^2 + 317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10552778² = 222722247034568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11063 + ... + 11978.

Almost surely, 2^10552778 is an apocalyptic number.

10552778 is a deficient number, since it is larger than the sum of its proper divisors (5346202).

10552778 is a wasteful number, since it uses less digits than its factorization.

10552778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23272.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 10552778 is about 3248.5039633653. The cubic root of 10552778 is about 219.3422364579.

The spelling of 10552778 in words is "ten million, five hundred fifty-two thousand, seven hundred seventy-eight".