50331420 has 36 divisors (see below), whose sum is σ = 152672520. Its totient is φ = 13421664.

The previous prime is 50331419. The next prime is 50331427. The reversal of 50331420 is 2413305.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 50331393 and 50331402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50331427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 139630 + ... + 139989.

Almost surely, 2^50331420 is an apocalyptic number.

It is an amenable number.

50331420 is an abundant number, since it is smaller than the sum of its proper divisors (102341100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50331420 is a wasteful number, since it uses less digits than its factorization.

50331420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279634 (or 279629 counting only the distinct ones).

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

The square root of 50331420 is about 7094.4640389532. The cubic root of 50331420 is about 369.2153324876.

Adding to 50331420 its reverse (2413305), we get a palindrome (52744725).

The spelling of 50331420 in words is "fifty million, three hundred thirty-one thousand, four hundred twenty".