49162090 has 16 divisors (see below), whose sum is σ = 88574472. Its totient is φ = 19646464.

The previous prime is 49162067. The next prime is 49162117. The reversal of 49162090 is 9026194.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 42081169 + 7080921 = 6487^2 + 2661^2 .

It is a super-2 number, since 2×49162090² = 4833822186336200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15522 + ... + 18418.

Almost surely, 2^49162090 is an apocalyptic number.

49162090 is a deficient number, since it is larger than the sum of its proper divisors (39412382).

49162090 is a wasteful number, since it uses less digits than its factorization.

49162090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4601.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 49162090 is about 7011.5682981769. The cubic root of 49162090 is about 366.3336213680. Note that the first 3 decimals are identical.

The spelling of 49162090 in words is "forty-nine million, one hundred sixty-two thousand, ninety".