49555805 has 8 divisors (see below), whose sum is σ = 64041432. Its totient is φ = 36595008.

The previous prime is 49555801. The next prime is 49555817. The reversal of 49555805 is 50855594.

It can be written as a sum of positive squares in 4 ways, for example, as 289444 + 49266361 = 538^2 + 7019^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49555805 - 2² = 49555801 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49555801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 381134 + ... + 381263.

It is an arithmetic number, because the mean of its divisors is an integer number (8005179).

Almost surely, 2^49555805 is an apocalyptic number.

It is an amenable number.

49555805 is a deficient number, since it is larger than the sum of its proper divisors (14485627).

49555805 is a wasteful number, since it uses less digits than its factorization.

49555805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 762415.

The product of its (nonzero) digits is 180000, while the sum is 41.

The square root of 49555805 is about 7039.5884112638. The cubic root of 49555805 is about 367.3089509396.

The spelling of 49555805 in words is "forty-nine million, five hundred fifty-five thousand, eight hundred five".