49401851 has 8 divisors (see below), whose sum is σ = 49968240. Its totient is φ = 48838752.

The previous prime is 49401839. The next prime is 49401889. The reversal of 49401851 is 15810494.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49401851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49401251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40121 + ... + 41333.

It is an arithmetic number, because the mean of its divisors is an integer number (6246030).

Almost surely, 2^49401851 is an apocalyptic number.

49401851 is a deficient number, since it is larger than the sum of its proper divisors (566389).

49401851 is a wasteful number, since it uses less digits than its factorization.

49401851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1645.

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 49401851 is about 7028.6450330060. The cubic root of 49401851 is about 366.9281859747.

The spelling of 49401851 in words is "forty-nine million, four hundred one thousand, eight hundred fifty-one".