49701778 has 24 divisors (see below), whose sum is σ = 91829052. Its totient is φ = 20047104.

The previous prime is 49701731. The next prime is 49701787. The reversal of 49701778 is 87710794.

It can be written as a sum of positive squares in 2 ways, for example, as 49098049 + 603729 = 7007^2 + 777^2 .

It is a super-2 number, since 2×49701778² = 4940533472722568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13251 + ... + 16582.

Almost surely, 2^49701778 is an apocalyptic number.

49701778 is a deficient number, since it is larger than the sum of its proper divisors (42127274).

49701778 is a wasteful number, since it uses less digits than its factorization.

49701778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29866 (or 29859 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 43.

The square root of 49701778 is about 7049.9487941403. The cubic root of 49701778 is about 367.6692493280.

The spelling of 49701778 in words is "forty-nine million, seven hundred one thousand, seven hundred seventy-eight".