49689285 has 16 divisors (see below), whose sum is σ = 80234880. Its totient is φ = 26256960.

The previous prime is 49689257. The next prime is 49689287. The reversal of 49689285 is 58298694.

It is not a de Polignac number, because 49689285 - 2⁶ = 49689221 is a prime.

It is a super-2 number, since 2×49689285² = 4938050087622450, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49689287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13561 + ... + 16830.

It is an arithmetic number, because the mean of its divisors is an integer number (5014680).

Almost surely, 2^49689285 is an apocalyptic number.

It is an amenable number.

49689285 is a deficient number, since it is larger than the sum of its proper divisors (30545595).

49689285 is a wasteful number, since it uses less digits than its factorization.

49689285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30508.

The product of its digits is 1244160, while the sum is 51.

The square root of 49689285 is about 7049.0627036507. The cubic root of 49689285 is about 367.6384410617.

The spelling of 49689285 in words is "forty-nine million, six hundred eighty-nine thousand, two hundred eighty-five".