5385551 has 4 divisors (see below), whose sum is σ = 5398152. Its totient is φ = 5372952.

The previous prime is 5385547. The next prime is 5385557. The reversal of 5385551 is 1555835.

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 5385551 - 2² = 5385547 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 (5385557) 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, 5636 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (1349538).

Almost surely, 2^5385551 is an apocalyptic number.

5385551 is a deficient number, since it is larger than the sum of its proper divisors (12601).

5385551 is a wasteful number, since it uses less digits than its factorization.

5385551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12600.

The product of its digits is 15000, while the sum is 32.

The square root of 5385551 is about 2320.6789954666. The cubic root of 5385551 is about 175.2844462521.

The spelling of 5385551 in words is "five million, three hundred eighty-five thousand, five hundred fifty-one".