49861215 has 24 divisors (see below), whose sum is σ = 86674848. Its totient is φ = 26516160.

The previous prime is 49861183. The next prime is 49861243. The reversal of 49861215 is 51216894.

It is not a de Polignac number, because 49861215 - 2⁵ = 49861183 is a prime.

It is a super-2 number, since 2×49861215² = 4972281522552450, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49861215.

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, 16470 + ... + 19260.

It is an arithmetic number, because the mean of its divisors is an integer number (3611452).

Almost surely, 2^49861215 is an apocalyptic number.

49861215 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

49861215 is a deficient number, since it is larger than the sum of its proper divisors (36813633).

49861215 is a wasteful number, since it uses less digits than its factorization.

49861215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199 (or 3196 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 49861215 is about 7061.2474110457. The cubic root of 49861215 is about 368.0619751285.

The spelling of 49861215 in words is "forty-nine million, eight hundred sixty-one thousand, two hundred fifteen".