49542757 has 8 divisors (see below), whose sum is σ = 55067040. Its totient is φ = 44188560.

The previous prime is 49542749. The next prime is 49542767. The reversal of 49542757 is 75724594.

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

It is a cyclic number.

It is not a de Polignac number, because 49542757 - 2³ = 49542749 is a prime.

It is a super-2 number, since 2×49542757² = 4908969542322098, 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 (49542767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41907 + ... + 43072.

It is an arithmetic number, because the mean of its divisors is an integer number (6883380).

Almost surely, 2^49542757 is an apocalyptic number.

It is an amenable number.

49542757 is a deficient number, since it is larger than the sum of its proper divisors (5524283).

49542757 is a wasteful number, since it uses less digits than its factorization.

49542757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85043.

The product of its digits is 352800, while the sum is 43.

The square root of 49542757 is about 7038.6615915243. The cubic root of 49542757 is about 367.2767107349.

The spelling of 49542757 in words is "forty-nine million, five hundred forty-two thousand, seven hundred fifty-seven".