49642605 has 32 divisors (see below), whose sum is σ = 88646400. Its totient is φ = 26358336.

The previous prime is 49642589. The next prime is 49642613. The reversal of 49642605 is 50624694.

49642605 is a `hidden beast` number, since 4 + 9 + 6 + 42 + 605 = 666.

It is not a de Polignac number, because 49642605 - 2⁴ = 49642589 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49642605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35632 + ... + 36998.

It is an arithmetic number, because the mean of its divisors is an integer number (2770200).

Almost surely, 2^49642605 is an apocalyptic number.

49642605 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49642605 is a deficient number, since it is larger than the sum of its proper divisors (39003795).

49642605 is a wasteful number, since it uses less digits than its factorization.

49642605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1650 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 49642605 is about 7045.7508471418. The cubic root of 49642605 is about 367.5232804910.

It can be divided in two parts, 4964 and 2605, that added together give a square (7569 = 87²).

The spelling of 49642605 in words is "forty-nine million, six hundred forty-two thousand, six hundred five".