4055519 has 4 divisors (see below), whose sum is σ = 4367496. Its totient is φ = 3743544.

The previous prime is 4055497. The next prime is 4055539. The reversal of 4055519 is 9155504.

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 4055519 - 2¹⁶ = 3989983 is a prime.

It is a super-2 number, since 2×4055519² = 32894468718722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4055491 and 4055500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4055539) 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, 155969 + ... + 155994.

It is an arithmetic number, because the mean of its divisors is an integer number (1091874).

Almost surely, 2^4055519 is an apocalyptic number.

4055519 is a deficient number, since it is larger than the sum of its proper divisors (311977).

4055519 is a wasteful number, since it uses less digits than its factorization.

4055519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311976.

The product of its (nonzero) digits is 4500, while the sum is 29.

The square root of 4055519 is about 2013.8319195007. The cubic root of 4055519 is about 159.4711576074.

The spelling of 4055519 in words is "four million, fifty-five thousand, five hundred nineteen".