49402131 has 16 divisors (see below), whose sum is σ = 67570080. Its totient is φ = 32094720.

The previous prime is 49402121. The next prime is 49402151. The reversal of 49402131 is 13120494.

49402131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 49402131 - 2¹¹ = 49400083 is a prime.

It is a super-2 number, since 2×49402131² = 4881141094682322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49402121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19485 + ... + 21873.

It is an arithmetic number, because the mean of its divisors is an integer number (4223130).

Almost surely, 2^49402131 is an apocalyptic number.

49402131 is a deficient number, since it is larger than the sum of its proper divisors (18167949).

49402131 is a wasteful number, since it uses less digits than its factorization.

49402131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2566.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 49402131 is about 7028.6649514684. The cubic root of 49402131 is about 366.9288791990.

The spelling of 49402131 in words is "forty-nine million, four hundred two thousand, one hundred thirty-one".