49775458 has 4 divisors (see below), whose sum is σ = 74663190. Its totient is φ = 24887728.

The previous prime is 49775443. The next prime is 49775477. The reversal of 49775458 is 85457794.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 85457794 = 2 ⋅42728897.

It can be written as a sum of positive squares in only one way, i.e., 49322529 + 452929 = 7023^2 + 673^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12443863 + ... + 12443866.

Almost surely, 2^49775458 is an apocalyptic number.

49775458 is a deficient number, since it is larger than the sum of its proper divisors (24887732).

49775458 is a wasteful number, since it uses less digits than its factorization.

49775458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24887731.

The product of its digits is 1411200, while the sum is 49.

The square root of 49775458 is about 7055.1724287929. The cubic root of 49775458 is about 367.8508423951.

The spelling of 49775458 in words is "forty-nine million, seven hundred seventy-five thousand, four hundred fifty-eight".