49775919 has 8 divisors (see below), whose sum is σ = 68656560. Its totient is φ = 32039616.

The previous prime is 49775917. The next prime is 49775951. The reversal of 49775919 is 91957794.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 49775919 - 2¹ = 49775917 is a prime.

It is a super-2 number, since 2×49775919² = 4955284224589122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49775917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 285982 + ... + 286155.

It is an arithmetic number, because the mean of its divisors is an integer number (8582070).

Almost surely, 2^49775919 is an apocalyptic number.

49775919 is a deficient number, since it is larger than the sum of its proper divisors (18880641).

49775919 is a wasteful number, since it uses less digits than its factorization.

49775919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572169.

The product of its digits is 714420, while the sum is 51.

The square root of 49775919 is about 7055.2050997827. The cubic root of 49775919 is about 367.8519780198.

The spelling of 49775919 in words is "forty-nine million, seven hundred seventy-five thousand, nine hundred nineteen".