49115915 has 8 divisors (see below), whose sum is σ = 59000928. Its totient is φ = 39251520.

The previous prime is 49115897. The next prime is 49115917. The reversal of 49115915 is 51951194.

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

It is not a de Polignac number, because 49115915 - 2²⁰ = 48067339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49115917) 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, 695 + ... + 9935.

It is an arithmetic number, because the mean of its divisors is an integer number (7375116).

Almost surely, 2^49115915 is an apocalyptic number.

49115915 is a deficient number, since it is larger than the sum of its proper divisors (9885013).

49115915 is a wasteful number, since it uses less digits than its factorization.

49115915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10309.

The product of its digits is 8100, while the sum is 35.

The square root of 49115915 is about 7008.2747520342. The cubic root of 49115915 is about 366.2188937149.

The spelling of 49115915 in words is "forty-nine million, one hundred fifteen thousand, nine hundred fifteen".