49047757 has 4 divisors (see below), whose sum is σ = 53506656. Its totient is φ = 44588860.

The previous prime is 49047731. The next prime is 49047769. The reversal of 49047757 is 75774094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49047757 - 2⁷ = 49047629 is a prime.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a zygodrome in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49047727) 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, 2229433 + ... + 2229454.

It is an arithmetic number, because the mean of its divisors is an integer number (13376664).

Almost surely, 2^49047757 is an apocalyptic number.

It is an amenable number.

49047757 is a deficient number, since it is larger than the sum of its proper divisors (4458899).

49047757 is a wasteful number, since it uses less digits than its factorization.

49047757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4458898.

The product of its (nonzero) digits is 246960, while the sum is 43.

The square root of 49047757 is about 7003.4103835203. The cubic root of 49047757 is about 366.0494150286.

The spelling of 49047757 in words is "forty-nine million, forty-seven thousand, seven hundred fifty-seven".