55459311 has 8 divisors (see below), whose sum is σ = 74006784. Its totient is φ = 36942360.

The previous prime is 55459301. The next prime is 55459319. The reversal of 55459311 is 11395455.

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

It is not a de Polignac number, because 55459311 - 2¹⁴ = 55442927 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55459319) 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, 2985 + ... + 10946.

It is an arithmetic number, because the mean of its divisors is an integer number (9250848).

Almost surely, 2^55459311 is an apocalyptic number.

55459311 is the 3981-st nonagonal number.

55459311 is a deficient number, since it is larger than the sum of its proper divisors (18547473).

55459311 is a wasteful number, since it uses less digits than its factorization.

55459311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15261.

The product of its digits is 13500, while the sum is 33.

The square root of 55459311 is about 7447.1008452954. The cubic root of 55459311 is about 381.3509417928.

The spelling of 55459311 in words is "fifty-five million, four hundred fifty-nine thousand, three hundred eleven".