50402331 has 84 divisors (see below), whose sum is σ = 94199112. Its totient is φ = 26780544.

The previous prime is 50402309. The next prime is 50402347. The reversal of 50402331 is 13320405.

It is not a de Polignac number, because 50402331 - 2⁵ = 50402299 is a prime.

It is a super-2 number, since 2×50402331² = 5080789940467122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50401331) by changing a digit.

It is a polite number, since it can be written in 83 ways as a sum of consecutive naturals, for example, 607216 + ... + 607298.

It is an arithmetic number, because the mean of its divisors is an integer number (1121418).

Almost surely, 2^50402331 is an apocalyptic number.

50402331 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

50402331 is a deficient number, since it is larger than the sum of its proper divisors (43796781).

50402331 is an equidigital number, since it uses as much as digits as its factorization.

50402331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 110 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 50402331 is about 7099.4599090353. The cubic root of 50402331 is about 369.3886446556.

Adding to 50402331 its reverse (13320405), we get a palindrome (63722736).

The spelling of 50402331 in words is "fifty million, four hundred two thousand, three hundred thirty-one".