49390518 has 8 divisors (see below), whose sum is σ = 98781048. Its totient is φ = 16463504.

The previous prime is 49390507. The next prime is 49390543. The reversal of 49390518 is 81509394.

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

49390518 is an admirable number.

It is a Curzon 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, 4115871 + ... + 4115882.

It is an arithmetic number, because the mean of its divisors is an integer number (12347631).

Almost surely, 2^49390518 is an apocalyptic number.

49390518 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.

49390518 is a wasteful number, since it uses less digits than its factorization.

49390518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231758.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 49390518 is about 7027.8387858573. The cubic root of 49390518 is about 366.9001255203.

The spelling of 49390518 in words is "forty-nine million, three hundred ninety thousand, five hundred eighteen".