49915 has 8 divisors (see below), whose sum is σ = 61200. Its totient is φ = 39072.

The previous prime is 49891. The next prime is 49919. The reversal of 49915 is 51994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49915 - 2⁷ = 49787 is a prime.

It is a plaindrome in base 11.

It is a nialpdrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49919) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 261 + ... + 409.

It is an arithmetic number, because the mean of its divisors is an integer number (7650).

2⁴⁹⁹¹⁵ is an apocalyptic number.

49915 is a deficient number, since it is larger than the sum of its proper divisors (11285).

49915 is a wasteful number, since it uses less digits than its factorization.

49915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221.

The product of its digits is 1620, while the sum is 28.

The square root of 49915 is about 223.4166511252. The cubic root of 49915 is about 36.8194269669.

The spelling of 49915 in words is "forty-nine thousand, nine hundred fifteen".