4055515 has 16 divisors (see below), whose sum is σ = 5072256. Its totient is φ = 3110400.

The previous prime is 4055497. The next prime is 4055539. The reversal of 4055515 is 5155504.

It is not a de Polignac number, because 4055515 - 2¹⁷ = 3924443 is a prime.

It is a Duffinian number.

4055515 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4055515.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14830 + ... + 15100.

It is an arithmetic number, because the mean of its divisors is an integer number (317016).

Almost surely, 2^4055515 is an apocalyptic number.

4055515 is a deficient number, since it is larger than the sum of its proper divisors (1016741).

4055515 is a wasteful number, since it uses less digits than its factorization.

4055515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 4055515 is about 2013.8309263689. The cubic root of 4055515 is about 159.4711051781.

It can be divided in two parts, 40 and 55515, that added together give a palindrome (55555).

The spelling of 4055515 in words is "four million, fifty-five thousand, five hundred fifteen".