49890814 has 4 divisors (see below), whose sum is σ = 74836224. Its totient is φ = 24945406.

The previous prime is 49890773. The next prime is 49890821. The reversal of 49890814 is 41809894.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 12472702 + ... + 12472705.

It is an arithmetic number, because the mean of its divisors is an integer number (18709056).

Almost surely, 2^49890814 is an apocalyptic number.

49890814 is a deficient number, since it is larger than the sum of its proper divisors (24945410).

49890814 is a wasteful number, since it uses less digits than its factorization.

49890814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24945409.

The product of its (nonzero) digits is 82944, while the sum is 43.

The square root of 49890814 is about 7063.3429762401. The cubic root of 49890814 is about 368.1347913204.

The spelling of 49890814 in words is "forty-nine million, eight hundred ninety thousand, eight hundred fourteen".