10555555 has 8 divisors (see below), whose sum is σ = 13411872. Its totient is φ = 7947648.

The previous prime is 10555553. The next prime is 10555561. The reversal of 10555555 is 55555501.

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

It is a cyclic number.

It is not a de Polignac number, because 10555555 - 2¹ = 10555553 is a prime.

It is a super-2 number, since 2×10555555² = 222839482716050, which contains 22 as substring.

It is a Duffinian number.

10555555 is a modest number, since divided by 5555 gives 1055 as remainder.

It is not an unprimeable number, because it can be changed into a prime (10555553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62007 + ... + 62176.

It is an arithmetic number, because the mean of its divisors is an integer number (1676484).

Almost surely, 2^10555555 is an apocalyptic number.

10555555 is a deficient number, since it is larger than the sum of its proper divisors (2856317).

10555555 is a wasteful number, since it uses less digits than its factorization.

10555555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124205.

The product of its (nonzero) digits is 15625, while the sum is 31.

The square root of 10555555 is about 3248.9313627715. The cubic root of 10555555 is about 219.3614749929.

The spelling of 10555555 in words is "ten million, five hundred fifty-five thousand, five hundred fifty-five".