55419 has 24 divisors (see below), whose sum is σ = 95760. Its totient is φ = 28224.

The previous prime is 55411. The next prime is 55439. The reversal of 55419 is 91455.

It is not a de Polignac number, because 55419 - 2³ = 55411 is a prime.

It is a super-2 number, since 2×55419² = 6142531122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1897 + ... + 1925.

It is an arithmetic number, because the mean of its divisors is an integer number (3990).

2⁵⁵⁴¹⁹ is an apocalyptic number.

55419 is a deficient number, since it is larger than the sum of its proper divisors (40341).

55419 is a wasteful number, since it uses less digits than its factorization.

55419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 52 counting only the distinct ones).

The product of its digits is 900, while the sum is 24.

The square root of 55419 is about 235.4124040912. The cubic root of 55419 is about 38.1258523504.

It can be divided in two parts, 55 and 419, that added together give a palindrome (474).

The spelling of 55419 in words is "fifty-five thousand, four hundred nineteen".