49660215 has 24 divisors (see below), whose sum is σ = 87339504. Its totient is φ = 24076800.

The previous prime is 49660207. The next prime is 49660229. The reversal of 49660215 is 51206694.

It is not a de Polignac number, because 49660215 - 2³ = 49660207 is a prime.

It is a super-2 number, since 2×49660215² = 4932273907692450, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11866 + ... + 15495.

It is an arithmetic number, because the mean of its divisors is an integer number (3639146).

Almost surely, 2^49660215 is an apocalyptic number.

49660215 is a deficient number, since it is larger than the sum of its proper divisors (37679289).

49660215 is a wasteful number, since it uses less digits than its factorization.

49660215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27391 (or 27380 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 49660215 is about 7047.0004257131. Note that the first 3 decimals coincide. The cubic root of 49660215 is about 367.5667332190.

The spelling of 49660215 in words is "forty-nine million, six hundred sixty thousand, two hundred fifteen".