49102087 has 4 divisors (see below), whose sum is σ = 50244040. Its totient is φ = 47960136.

The previous prime is 49102073. The next prime is 49102117. The reversal of 49102087 is 78020194.

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

It is not a de Polignac number, because 49102087 - 2²³ = 40713479 is a prime.

It is a super-2 number, since 2×49102087² = 4822029895511138, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49102007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570912 + ... + 570997.

It is an arithmetic number, because the mean of its divisors is an integer number (12561010).

Almost surely, 2^49102087 is an apocalyptic number.

49102087 is a deficient number, since it is larger than the sum of its proper divisors (1141953).

49102087 is a wasteful number, since it uses less digits than its factorization.

49102087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141952.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 49102087 is about 7007.2881345068. The cubic root of 49102087 is about 366.1845223021.

The spelling of 49102087 in words is "forty-nine million, one hundred two thousand, eighty-seven".