49102 has 4 divisors (see below), whose sum is σ = 73656. Its totient is φ = 24550.

The previous prime is 49081. The next prime is 49103. The reversal of 49102 is 20194.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×49102² = 4822012808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49103) by changing a digit.

49102 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12274 + ... + 12277.

It is an arithmetic number, because the mean of its divisors is an integer number (18414).

2⁴⁹¹⁰² is an apocalyptic number.

49102 is a deficient number, since it is larger than the sum of its proper divisors (24554).

49102 is a wasteful number, since it uses less digits than its factorization.

49102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24553.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 49102 is about 221.5897109525. The cubic root of 49102 is about 36.6184306031.

Adding to 49102 its reverse (20194), we get a palindrome (69296).

It can be divided in two parts, 49 and 102, that added together give a palindrome (151).

The spelling of 49102 in words is "forty-nine thousand, one hundred two".