5511385 has 8 divisors (see below), whose sum is σ = 7214976. Its totient is φ = 4008240.

The previous prime is 5511377. The next prime is 5511403. The reversal of 5511385 is 5831155.

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

It is not a de Polignac number, because 5511385 - 2³ = 5511377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50049 + ... + 50158.

It is an arithmetic number, because the mean of its divisors is an integer number (901872).

Almost surely, 2^5511385 is an apocalyptic number.

5511385 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5511385 is a deficient number, since it is larger than the sum of its proper divisors (1703591).

5511385 is a wasteful number, since it uses less digits than its factorization.

5511385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100223.

The product of its digits is 3000, while the sum is 28.

The square root of 5511385 is about 2347.6339152432. The cubic root of 5511385 is about 176.6391298404.

It can be divided in two parts, 551 and 1385, that added together give a square (1936 = 44²).

The spelling of 5511385 in words is "five million, five hundred eleven thousand, three hundred eighty-five".