49577942 has 4 divisors (see below), whose sum is σ = 74366916. Its totient is φ = 24788970.

The previous prime is 49577929. The next prime is 49577953. The reversal of 49577942 is 24977594.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24977594 = 2 ⋅12488797.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12394484 + ... + 12394487.

It is an arithmetic number, because the mean of its divisors is an integer number (18591729).

Almost surely, 2^49577942 is an apocalyptic number.

49577942 is a deficient number, since it is larger than the sum of its proper divisors (24788974).

49577942 is a wasteful number, since it uses less digits than its factorization.

49577942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24788973.

The product of its digits is 635040, while the sum is 47.

The square root of 49577942 is about 7041.1605577490. The cubic root of 49577942 is about 367.3636361428.

The spelling of 49577942 in words is "forty-nine million, five hundred seventy-seven thousand, nine hundred forty-two".