53050749 has 4 divisors (see below), whose sum is σ = 70734336. Its totient is φ = 35367164.

The previous prime is 53050747. The next prime is 53050759. The reversal of 53050749 is 94705035.

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 53050749 - 2¹ = 53050747 is a prime.

It is a super-2 number, since 2×53050749² = 5628763938922002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53050747) 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 3 ways as a sum of consecutive naturals, for example, 8841789 + ... + 8841794.

It is an arithmetic number, because the mean of its divisors is an integer number (17683584).

Almost surely, 2^53050749 is an apocalyptic number.

It is an amenable number.

53050749 is a deficient number, since it is larger than the sum of its proper divisors (17683587).

53050749 is a wasteful number, since it uses less digits than its factorization.

53050749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17683586.

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 53050749 is about 7283.5945109541. The cubic root of 53050749 is about 375.7484288399.

The spelling of 53050749 in words is "fifty-three million, fifty thousand, seven hundred forty-nine".