10551947 has 4 divisors (see below), whose sum is σ = 12059376. Its totient is φ = 9044520.

The previous prime is 10551943. The next prime is 10551953. The reversal of 10551947 is 74915501.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10551947 - 2² = 10551943 is a prime.

It is a super-2 number, since 2×10551947² = 222687170981618, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10551941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 753704 + ... + 753717.

It is an arithmetic number, because the mean of its divisors is an integer number (3014844).

Almost surely, 2^10551947 is an apocalyptic number.

10551947 is a deficient number, since it is larger than the sum of its proper divisors (1507429).

10551947 is an equidigital number, since it uses as much as digits as its factorization.

10551947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507428.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 10551947 is about 3248.3760558162. The cubic root of 10551947 is about 219.3364787897.

The spelling of 10551947 in words is "ten million, five hundred fifty-one thousand, nine hundred forty-seven".