49477745 has 8 divisors (see below), whose sum is σ = 59801280. Its totient is φ = 39296880.

The previous prime is 49477733. The next prime is 49477751. The reversal of 49477745 is 54777494.

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 49477745 - 2⁸ = 49477489 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 49477745.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34901 + ... + 36290.

It is an arithmetic number, because the mean of its divisors is an integer number (7475160).

Almost surely, 2^49477745 is an apocalyptic number.

It is an amenable number.

49477745 is a deficient number, since it is larger than the sum of its proper divisors (10323535).

49477745 is a wasteful number, since it uses less digits than its factorization.

49477745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71335.

The product of its digits is 987840, while the sum is 47.

The square root of 49477745 is about 7034.0418679448. The cubic root of 49477745 is about 367.1159886511.

It can be divided in two parts, 4 and 9477745, that added together give a palindrome (9477749).

The spelling of 49477745 in words is "forty-nine million, four hundred seventy-seven thousand, seven hundred forty-five".