5015555 has 4 divisors (see below), whose sum is σ = 6018672. Its totient is φ = 4012440.

The previous prime is 5015519. The next prime is 5015557. The reversal of 5015555 is 5555105.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5555105 = 5 ⋅1111021.

It is not a de Polignac number, because 5015555 - 2⁸ = 5015299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5015557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501551 + ... + 501560.

It is an arithmetic number, because the mean of its divisors is an integer number (1504668).

Almost surely, 2^5015555 is an apocalyptic number.

5015555 is a deficient number, since it is larger than the sum of its proper divisors (1003117).

5015555 is a wasteful number, since it uses less digits than its factorization.

5015555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003116.

The product of its (nonzero) digits is 3125, while the sum is 26.

The square root of 5015555 is about 2239.5434802656. The cubic root of 5015555 is about 171.1747356050.

The spelling of 5015555 in words is "five million, fifteen thousand, five hundred fifty-five".