49851490 has 64 divisors (see below), whose sum is σ = 101606400. Its totient is φ = 17487360.

The previous prime is 49851433. The next prime is 49851499. The reversal of 49851490 is 9415894.

49851490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (49851499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 250411 + ... + 250609.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^49851490 is an apocalyptic number.

49851490 is an abundant number, since it is smaller than the sum of its proper divisors (51754910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49851490 is a wasteful number, since it uses less digits than its factorization.

49851490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 49851490 is about 7060.5587597583. The cubic root of 49851490 is about 368.0380444678.

The spelling of 49851490 in words is "forty-nine million, eight hundred fifty-one thousand, four hundred ninety".