49090 has 8 divisors (see below), whose sum is σ = 88380. Its totient is φ = 19632.

The previous prime is 49081. The next prime is 49103. The reversal of 49090 is 9094.

It can be written as a sum of positive squares in 2 ways, for example, as 45369 + 3721 = 213^2 + 61^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445 + ... + 2464.

2⁴⁹⁰⁹⁰ is an apocalyptic number.

49090 is a deficient number, since it is larger than the sum of its proper divisors (39290).

49090 is a wasteful number, since it uses less digits than its factorization.

49090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916.

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 49090 is about 221.5626322285. The cubic root of 49090 is about 36.6154473100.

It can be divided in two parts, 490 and 90, that multiplied together give a square (44100 = 210²).

The spelling of 49090 in words is "forty-nine thousand, ninety".