49285251 has 12 divisors (see below), whose sum is σ = 74285328. Its totient is φ = 31428144.

The previous prime is 49285241. The next prime is 49285253. The reversal of 49285251 is 15258294.

It is not a de Polignac number, because 49285251 - 2⁵ = 49285219 is a prime.

It is a super-2 number, since 2×49285251² = 4858071932266002, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (49285253) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118840 + ... + 119253.

It is an arithmetic number, because the mean of its divisors is an integer number (6190444).

Almost surely, 2^49285251 is an apocalyptic number.

49285251 is a deficient number, since it is larger than the sum of its proper divisors (25000077).

49285251 is a wasteful number, since it uses less digits than its factorization.

49285251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238122 (or 238119 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 49285251 is about 7020.3455043181. The cubic root of 49285251 is about 366.6392795890.

The spelling of 49285251 in words is "forty-nine million, two hundred eighty-five thousand, two hundred fifty-one".