49545511 has 4 divisors (see below), whose sum is σ = 49561432. Its totient is φ = 49529592.

The previous prime is 49545487. The next prime is 49545523. The reversal of 49545511 is 11554594.

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 49545511 - 2⁷ = 49545383 is a prime.

It is a super-2 number, since 2×49545511² = 4909515320502242, 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 (49545541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1596 + ... + 10081.

It is an arithmetic number, because the mean of its divisors is an integer number (12390358).

Almost surely, 2^49545511 is an apocalyptic number.

49545511 is a deficient number, since it is larger than the sum of its proper divisors (15921).

49545511 is a wasteful number, since it uses less digits than its factorization.

49545511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15920.

The product of its digits is 18000, while the sum is 34.

The square root of 49545511 is about 7038.8572225895. The cubic root of 49545511 is about 367.2835160440.

The spelling of 49545511 in words is "forty-nine million, five hundred forty-five thousand, five hundred eleven".