49440251 has 8 divisors (see below), whose sum is σ = 58030560. Its totient is φ = 41231808.

The previous prime is 49440247. The next prime is 49440253. The reversal of 49440251 is 15204494.

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 49440251 - 2² = 49440247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49440253) 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, 95186 + ... + 95703.

It is an arithmetic number, because the mean of its divisors is an integer number (7253820).

Almost surely, 2^49440251 is an apocalyptic number.

49440251 is a deficient number, since it is larger than the sum of its proper divisors (8590309).

49440251 is a wasteful number, since it uses less digits than its factorization.

49440251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190933.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 49440251 is about 7031.3761810900. The cubic root of 49440251 is about 367.0232322999.

The spelling of 49440251 in words is "forty-nine million, four hundred forty thousand, two hundred fifty-one".