49251830 has 8 divisors (see below), whose sum is σ = 88653312. Its totient is φ = 19700728.

The previous prime is 49251793. The next prime is 49251869. The reversal of 49251830 is 3815294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

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, 2462582 + ... + 2462601.

It is an arithmetic number, because the mean of its divisors is an integer number (11081664).

Almost surely, 2^49251830 is an apocalyptic number.

49251830 is a deficient number, since it is larger than the sum of its proper divisors (39401482).

49251830 is a wasteful number, since it uses less digits than its factorization.

49251830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4925190.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 49251830 is about 7017.9648046994. The cubic root of 49251830 is about 366.5563864861.

The spelling of 49251830 in words is "forty-nine million, two hundred fifty-one thousand, eight hundred thirty".