49891015 has 8 divisors (see below), whose sum is σ = 59907600. Its totient is φ = 39887232.

The previous prime is 49891003. The next prime is 49891027. The reversal of 49891015 is 51019894.

It is an interprime number because it is at equal distance from previous prime (49891003) and next prime (49891027).

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 49891015 - 2⁵ = 49890983 is a prime.

It is a super-2 number, since 2×49891015² = 4978226755460450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11647 + ... + 15343.

It is an arithmetic number, because the mean of its divisors is an integer number (7488450).

Almost surely, 2^49891015 is an apocalyptic number.

49891015 is a deficient number, since it is larger than the sum of its proper divisors (10016585).

49891015 is a wasteful number, since it uses less digits than its factorization.

49891015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6401.

The product of its (nonzero) digits is 12960, while the sum is 37.

The square root of 49891015 is about 7063.3572046159. The cubic root of 49891015 is about 368.1352856999.

The spelling of 49891015 in words is "forty-nine million, eight hundred ninety-one thousand, fifteen".