49002431 has 4 divisors (see below), whose sum is σ = 50692200. Its totient is φ = 47312664.

The previous prime is 49002389. The next prime is 49002433. The reversal of 49002431 is 13420094.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13420094 = 2 ⋅6710047.

It is a cyclic number.

It is not a de Polignac number, because 49002431 - 2¹⁸ = 48740287 is a prime.

It is a super-2 number, since 2×49002431² = 4802476487819522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49002397 and 49002406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49002433) 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, 844841 + ... + 844898.

It is an arithmetic number, because the mean of its divisors is an integer number (12673050).

Almost surely, 2^49002431 is an apocalyptic number.

49002431 is a deficient number, since it is larger than the sum of its proper divisors (1689769).

49002431 is a wasteful number, since it uses less digits than its factorization.

49002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1689768.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 49002431 is about 7000.1736407035. The cubic root of 49002431 is about 365.9366224479.

The spelling of 49002431 in words is "forty-nine million, two thousand, four hundred thirty-one".