49143290 has 32 divisors (see below), whose sum is σ = 101533824. Its totient is φ = 16776000.

The previous prime is 49143251. The next prime is 49143307. The reversal of 49143290 is 9234194.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 16172 + ... + 18968.

It is an arithmetic number, because the mean of its divisors is an integer number (3172932).

Almost surely, 2^49143290 is an apocalyptic number.

49143290 is an abundant number, since it is smaller than the sum of its proper divisors (52390534).

49143290 is a wasteful number, since it uses less digits than its factorization.

49143290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3062.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 49143290 is about 7010.2275284045. The cubic root of 49143290 is about 366.2869190536.

The spelling of 49143290 in words is "forty-nine million, one hundred forty-three thousand, two hundred ninety".