49015879 has 16 divisors (see below), whose sum is σ = 57558816. Its totient is φ = 41241600.

The previous prime is 49015873. The next prime is 49015891. The reversal of 49015879 is 97851094.

It is a cyclic number.

It is not a de Polignac number, because 49015879 - 2¹¹ = 49013831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49015873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9259 + ... + 13555.

It is an arithmetic number, because the mean of its divisors is an integer number (3597426).

Almost surely, 2^49015879 is an apocalyptic number.

49015879 is a deficient number, since it is larger than the sum of its proper divisors (8542937).

49015879 is a wasteful number, since it uses less digits than its factorization.

49015879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4386.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 49015879 is about 7001.1341224119. The cubic root of 49015879 is about 365.9700947029.

It can be divided in two parts, 49015 and 879, that added together give a palindrome (49894).

The spelling of 49015879 in words is "forty-nine million, fifteen thousand, eight hundred seventy-nine".