49407805 has 4 divisors (see below), whose sum is σ = 59289372. Its totient is φ = 39526240.

The previous prime is 49407791. The next prime is 49407811. The reversal of 49407805 is 50870494.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35784324 + 13623481 = 5982^2 + 3691^2 .

It is not a de Polignac number, because 49407805 - 2⁵ = 49407773 is a prime.

It is a super-2 number, since 2×49407805² = 4882262389836050, which contains 22 as substring.

It is a Duffinian number.

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 3 ways as a sum of consecutive naturals, for example, 4940776 + ... + 4940785.

It is an arithmetic number, because the mean of its divisors is an integer number (14822343).

Almost surely, 2^49407805 is an apocalyptic number.

It is an amenable number.

49407805 is a deficient number, since it is larger than the sum of its proper divisors (9881567).

49407805 is an equidigital number, since it uses as much as digits as its factorization.

49407805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9881566.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 49407805 is about 7029.0685727200. The cubic root of 49407805 is about 366.9429263310.

The spelling of 49407805 in words is "forty-nine million, four hundred seven thousand, eight hundred five".