49952251 has 4 divisors (see below), whose sum is σ = 52124112. Its totient is φ = 47780392.

The previous prime is 49952213. The next prime is 49952267. The reversal of 49952251 is 15225994.

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 49952251 - 2¹¹ = 49950203 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49952251.

It is not an unprimeable number, because it can be changed into a prime (49952281) 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, 1085896 + ... + 1085941.

It is an arithmetic number, because the mean of its divisors is an integer number (13031028).

Almost surely, 2^49952251 is an apocalyptic number.

49952251 is a deficient number, since it is larger than the sum of its proper divisors (2171861).

49952251 is a wasteful number, since it uses less digits than its factorization.

49952251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171860.

The product of its digits is 32400, while the sum is 37.

The square root of 49952251 is about 7067.6906412208. The cubic root of 49952251 is about 368.2858399666.

The spelling of 49952251 in words is "forty-nine million, nine hundred fifty-two thousand, two hundred fifty-one".