49577019 has 4 divisors (see below), whose sum is σ = 66102696. Its totient is φ = 33051344.

The previous prime is 49576999. The next prime is 49577053. The reversal of 49577019 is 91077594.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49577019 - 2⁵ = 49576987 is a prime.

It is a super-2 number, since 2×49577019² = 4915761625852722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49577519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8262834 + ... + 8262839.

It is an arithmetic number, because the mean of its divisors is an integer number (16525674).

Almost surely, 2^49577019 is an apocalyptic number.

49577019 is a deficient number, since it is larger than the sum of its proper divisors (16525677).

49577019 is a wasteful number, since it uses less digits than its factorization.

49577019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16525676.

The product of its (nonzero) digits is 79380, while the sum is 42.

The square root of 49577019 is about 7041.0950142716. The cubic root of 49577019 is about 367.3613563740.

The spelling of 49577019 in words is "forty-nine million, five hundred seventy-seven thousand, nineteen".