49552521 has 4 divisors (see below), whose sum is σ = 66070032. Its totient is φ = 33035012.

The previous prime is 49552499. The next prime is 49552537. The reversal of 49552521 is 12525594.

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 49552521 - 2⁶ = 49552457 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49552571) 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, 8258751 + ... + 8258756.

It is an arithmetic number, because the mean of its divisors is an integer number (16517508).

Almost surely, 2^49552521 is an apocalyptic number.

It is an amenable number.

49552521 is a deficient number, since it is larger than the sum of its proper divisors (16517511).

49552521 is a wasteful number, since it uses less digits than its factorization.

49552521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16517510.

The product of its digits is 18000, while the sum is 33.

The square root of 49552521 is about 7039.3551551261. The cubic root of 49552521 is about 367.3008370618.

The spelling of 49552521 in words is "forty-nine million, five hundred fifty-two thousand, five hundred twenty-one".