50556820 has 24 divisors (see below), whose sum is σ = 108640224. Its totient is φ = 19752096.

The previous prime is 50556817. The next prime is 50556823. The reversal of 50556820 is 2865505.

50556820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (50556817) and next prime (50556823).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50556823) 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 7 ways as a sum of consecutive naturals, for example, 28534 + ... + 30253.

It is an arithmetic number, because the mean of its divisors is an integer number (4526676).

Almost surely, 2^50556820 is an apocalyptic number.

It is an amenable number.

50556820 is an abundant number, since it is smaller than the sum of its proper divisors (58083404).

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

50556820 is a wasteful number, since it uses less digits than its factorization.

50556820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58839 (or 58837 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 50556820 is about 7110.3319191160. The cubic root of 50556820 is about 369.7656660826.

It can be divided in two parts, 505 and 56820, that multiplied together give a triangular number (28694100 = T₇₅₇₅).

The spelling of 50556820 in words is "fifty million, five hundred fifty-six thousand, eight hundred twenty".