49205864 has 8 divisors (see below), whose sum is σ = 92261010. Its totient is φ = 24602928.

The previous prime is 49205857. The next prime is 49205867. The reversal of 49205864 is 46850294.

It can be written as a sum of positive squares in only one way, i.e., 48413764 + 792100 = 6958^2 + 890^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (49205867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3075359 + ... + 3075374.

Almost surely, 2^49205864 is an apocalyptic number.

It is an amenable number.

49205864 is a deficient number, since it is larger than the sum of its proper divisors (43055146).

49205864 is a wasteful number, since it uses less digits than its factorization.

49205864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6150739 (or 6150735 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 49205864 is about 7014.6891591859. The cubic root of 49205864 is about 366.4423171187.

The spelling of 49205864 in words is "forty-nine million, two hundred five thousand, eight hundred sixty-four".