49999770 has 48 divisors (see below), whose sum is σ = 134489160. Its totient is φ = 12872832.

The previous prime is 49999759. The next prime is 49999777. The reversal of 49999770 is 7799994.

It can be written as a sum of positive squares in 4 ways, for example, as 26409321 + 23590449 = 5139^2 + 4857^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49999777) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6969 + ... + 12188.

Almost surely, 2^49999770 is an apocalyptic number.

49999770 is an abundant number, since it is smaller than the sum of its proper divisors (84489390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49999770 is a wasteful number, since it uses less digits than its factorization.

49999770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19199 (or 19196 counting only the distinct ones).

The product of its (nonzero) digits is 1285956, while the sum is 54.

The square root of 49999770 is about 7071.0515483908. The cubic root of 49999770 is about 368.4025849783.

The spelling of 49999770 in words is "forty-nine million, nine hundred ninety-nine thousand, seven hundred seventy".