49820031 has 6 divisors (see below), whose sum is σ = 71962280. Its totient is φ = 33213348.

The previous prime is 49819997. The next prime is 49820039. The reversal of 49820031 is 13002894.

It is not a de Polignac number, because 49820031 - 2¹¹ = 49817983 is a prime.

It is a super-2 number, since 2×49820031² = 4964070977681922, 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 = 49819977 and 49820004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49820039) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2767771 + ... + 2767788.

Almost surely, 2^49820031 is an apocalyptic number.

49820031 is a deficient number, since it is larger than the sum of its proper divisors (22142249).

49820031 is a wasteful number, since it uses less digits than its factorization.

49820031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5535565 (or 5535562 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 49820031 is about 7058.3306099955. The cubic root of 49820031 is about 367.9606108400.

The spelling of 49820031 in words is "forty-nine million, eight hundred twenty thousand, thirty-one".