10555997 has 8 divisors (see below), whose sum is σ = 11238912. Its totient is φ = 9880000.

The previous prime is 10555973. The next prime is 10556003. The reversal of 10555997 is 79955501.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10555997 is a prime.

It is a super-2 number, since 2×10555997² = 222858145328018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10555927) 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, 1622 + ... + 4872.

It is an arithmetic number, because the mean of its divisors is an integer number (1404864).

Almost surely, 2^10555997 is an apocalyptic number.

10555997 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

10555997 is a deficient number, since it is larger than the sum of its proper divisors (682915).

10555997 is a wasteful number, since it uses less digits than its factorization.

10555997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3459.

The product of its (nonzero) digits is 70875, while the sum is 41.

The square root of 10555997 is about 3248.9993844259. Note that the first 3 decimals coincide. The cubic root of 10555997 is about 219.3645367747.

The spelling of 10555997 in words is "ten million, five hundred fifty-five thousand, nine hundred ninety-seven".