49777450 has 12 divisors (see below), whose sum is σ = 92586150. Its totient is φ = 19910960.

The previous prime is 49777447. The next prime is 49777471. The reversal of 49777450 is 5477794.

It can be written as a sum of positive squares in 3 ways, for example, as 21613201 + 28164249 = 4649^2 + 5307^2 .

It is a junction number, because it is equal to n+sod(n) for n = 49777397 and 49777406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 497725 + ... + 497824.

Almost surely, 2^49777450 is an apocalyptic number.

49777450 is a deficient number, since it is larger than the sum of its proper divisors (42808700).

49777450 is a wasteful number, since it uses less digits than its factorization.

49777450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995561 (or 995556 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 49777450 is about 7055.3136004008. The cubic root of 49777450 is about 367.8557494258.

The spelling of 49777450 in words is "forty-nine million, seven hundred seventy-seven thousand, four hundred fifty".