50505015 has 16 divisors (see below), whose sum is σ = 88154496. Its totient is φ = 24487200.

The previous prime is 50504999. The next prime is 50505017. The reversal of 50505015 is 51050505.

It is not a de Polignac number, because 50505015 - 2⁴ = 50504999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50504982 and 50505000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50505017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152881 + ... + 153210.

It is an arithmetic number, because the mean of its divisors is an integer number (5509656).

Almost surely, 2^50505015 is an apocalyptic number.

50505015 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

50505015 is a deficient number, since it is larger than the sum of its proper divisors (37649481).

50505015 is a wasteful number, since it uses less digits than its factorization.

50505015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306110.

The product of its (nonzero) digits is 625, while the sum is 21.

The square root of 50505015 is about 7106.6880471848. The cubic root of 50505015 is about 369.6393246913.

Subtracting 50505015 from its reverse (51050505), we obtain a triangular number (545490 = T₁₀₄₄).

The spelling of 50505015 in words is "fifty million, five hundred five thousand, fifteen".