49015518 has 8 divisors (see below), whose sum is σ = 98031048. Its totient is φ = 16338504.

The previous prime is 49015469. The next prime is 49015559. The reversal of 49015518 is 81551094.

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

49015518 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4084621 + ... + 4084632.

It is an arithmetic number, because the mean of its divisors is an integer number (12253881).

Almost surely, 2^49015518 is an apocalyptic number.

49015518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49015518 is a wasteful number, since it uses less digits than its factorization.

49015518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8169258.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 49015518 is about 7001.1083408272. The cubic root of 49015518 is about 365.9691962489.

The spelling of 49015518 in words is "forty-nine million, fifteen thousand, five hundred eighteen".