5511047 has 4 divisors (see below), whose sum is σ = 5547696. Its totient is φ = 5474400.

The previous prime is 5511041. The next prime is 5511049. The reversal of 5511047 is 7401155.

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 5511047 - 2¹² = 5506951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5511041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18098 + ... + 18399.

It is an arithmetic number, because the mean of its divisors is an integer number (1386924).

Almost surely, 2^5511047 is an apocalyptic number.

5511047 is a deficient number, since it is larger than the sum of its proper divisors (36649).

5511047 is a wasteful number, since it uses less digits than its factorization.

5511047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36648.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 5511047 is about 2347.5619267657. The cubic root of 5511047 is about 176.6355188155.

The spelling of 5511047 in words is "five million, five hundred eleven thousand, forty-seven".