49215 has 16 divisors (see below), whose sum is σ = 83808. Its totient is φ = 24576.

The previous prime is 49211. The next prime is 49223. The reversal of 49215 is 51294.

49215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49215 - 2² = 49211 is a prime.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 49191 and 49200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49211) 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, 159 + ... + 351.

It is an arithmetic number, because the mean of its divisors is an integer number (5238).

2⁴⁹²¹⁵ is an apocalyptic number.

49215 is a deficient number, since it is larger than the sum of its proper divisors (34593).

49215 is a wasteful number, since it uses less digits than its factorization.

49215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218.

The product of its digits is 360, while the sum is 21.

The square root of 49215 is about 221.8445401627. The cubic root of 49215 is about 36.6464994699.

Subtracting from 49215 its sum of digits (21), we obtain a palindrome (49194).

The spelling of 49215 in words is "forty-nine thousand, two hundred fifteen".