49901605 has 32 divisors (see below), whose sum is σ = 69672960. Its totient is φ = 34003200.

The previous prime is 49901603. The next prime is 49901609. The reversal of 49901605 is 50610994.

49901605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49901605 - 2¹ = 49901603 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49901603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42780 + ... + 43930.

It is an arithmetic number, because the mean of its divisors is an integer number (2177280).

Almost surely, 2^49901605 is an apocalyptic number.

It is an amenable number.

49901605 is a deficient number, since it is larger than the sum of its proper divisors (19771355).

49901605 is a wasteful number, since it uses less digits than its factorization.

49901605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1221.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 49901605 is about 7064.1068083658. The cubic root of 49901605 is about 368.1613309833.

The spelling of 49901605 in words is "forty-nine million, nine hundred one thousand, six hundred five".