49281951 has 4 divisors (see below), whose sum is σ = 65709272. Its totient is φ = 32854632.

The previous prime is 49281943. The next prime is 49281983. The reversal of 49281951 is 15918294.

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

It is not a de Polignac number, because 49281951 - 2³ = 49281943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49281751) 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, 8213656 + ... + 8213661.

It is an arithmetic number, because the mean of its divisors is an integer number (16427318).

Almost surely, 2^49281951 is an apocalyptic number.

49281951 is a deficient number, since it is larger than the sum of its proper divisors (16427321).

49281951 is a wasteful number, since it uses less digits than its factorization.

49281951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16427320.

The product of its digits is 25920, while the sum is 39.

The square root of 49281951 is about 7020.1104692163. The cubic root of 49281951 is about 366.6310963658.

The spelling of 49281951 in words is "forty-nine million, two hundred eighty-one thousand, nine hundred fifty-one".