50841840 has 160 divisors (see below), whose sum is σ = 183845376. Its totient is φ = 11381760.

The previous prime is 50841839. The next prime is 50841841. The reversal of 50841840 is 4814805.

It is an interprime number because it is at equal distance from previous prime (50841839) and next prime (50841841).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 50841798 and 50841807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50841841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88755 + ... + 89325.

Almost surely, 2^50841840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50841840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91922688).

50841840 is an abundant number, since it is smaller than the sum of its proper divisors (133003536).

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

50841840 is a wasteful number, since it uses less digits than its factorization.

50841840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 647 (or 641 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 50841840 is about 7130.3464151470. The cubic root of 50841840 is about 370.4592301259.

It can be divided in two parts, 50841 and 840, that added together give a triangular number (51681 = T₃₂₁).

The spelling of 50841840 in words is "fifty million, eight hundred forty-one thousand, eight hundred forty".