49553569 has 24 divisors (see below), whose sum is σ = 57718080. Its totient is φ = 42199872.

The previous prime is 49553563. The next prime is 49553597. The reversal of 49553569 is 96535594.

It is not a de Polignac number, because 49553569 - 2¹⁷ = 49422497 is a prime.

It is a super-2 number, since 2×49553569² = 4911112401275522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49553563) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 839862 + ... + 839920.

It is an arithmetic number, because the mean of its divisors is an integer number (2404920).

Almost surely, 2^49553569 is an apocalyptic number.

It is an amenable number.

49553569 is a deficient number, since it is larger than the sum of its proper divisors (8164511).

49553569 is a wasteful number, since it uses less digits than its factorization.

49553569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 148 counting only the distinct ones).

The product of its digits is 729000, while the sum is 46.

The square root of 49553569 is about 7039.4295933691. The cubic root of 49553569 is about 367.3034264259.

The spelling of 49553569 in words is "forty-nine million, five hundred fifty-three thousand, five hundred sixty-nine".