49385810 has 16 divisors (see below), whose sum is σ = 88974936. Its totient is φ = 19736448.

The previous prime is 49385789. The next prime is 49385813. The reversal of 49385810 is 1858394.

It can be written as a sum of positive squares in 4 ways, for example, as 31348801 + 18037009 = 5599^2 + 4247^2 .

It is a super-2 number, since 2×49385810² = 4877916458712200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49385813) 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, 18734 + ... + 21206.

Almost surely, 2^49385810 is an apocalyptic number.

49385810 is a deficient number, since it is larger than the sum of its proper divisors (39589126).

49385810 is a wasteful number, since it uses less digits than its factorization.

49385810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4477.

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 49385810 is about 7027.5038242608. The cubic root of 49385810 is about 366.8884672726. Note that the first 3 decimals are identical.

The spelling of 49385810 in words is "forty-nine million, three hundred eighty-five thousand, eight hundred ten".