49877217 has 12 divisors (see below), whose sum is σ = 77586964. Its totient is φ = 30693600.

The previous prime is 49877209. The next prime is 49877227. The reversal of 49877217 is 71277894.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 30902481 + 18974736 = 5559^2 + 4356^2 .

It is not a de Polignac number, because 49877217 - 2³ = 49877209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49877227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 213034 + ... + 213267.

Almost surely, 2^49877217 is an apocalyptic number.

It is an amenable number.

49877217 is a deficient number, since it is larger than the sum of its proper divisors (27709747).

49877217 is a wasteful number, since it uses less digits than its factorization.

49877217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426320 (or 426317 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The square root of 49877217 is about 7062.3804060671. The cubic root of 49877217 is about 368.1013450594.

The spelling of 49877217 in words is "forty-nine million, eight hundred seventy-seven thousand, two hundred seventeen".