49015599 has 8 divisors (see below), whose sum is σ = 68195712. Its totient is φ = 31256280.

The previous prime is 49015559. The next prime is 49015609. The reversal of 49015599 is 99551094.

It is a happy number.

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

It is not a de Polignac number, because 49015599 - 2¹¹ = 49013551 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49015599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49015559) 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, 355117 + ... + 355254.

It is an arithmetic number, because the mean of its divisors is an integer number (8524464).

Almost surely, 2^49015599 is an apocalyptic number.

49015599 is a deficient number, since it is larger than the sum of its proper divisors (19180113).

49015599 is a wasteful number, since it uses less digits than its factorization.

49015599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710397.

The product of its (nonzero) digits is 72900, while the sum is 42.

The square root of 49015599 is about 7001.1141256231. The cubic root of 49015599 is about 365.9693978415.

The spelling of 49015599 in words is "forty-nine million, fifteen thousand, five hundred ninety-nine".