50955840 has 168 divisors, whose sum is σ = 188887608. Its totient is φ = 12533760.

The previous prime is 50955811. The next prime is 50955841. The reversal of 50955840 is 4855905.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 147456 + 50808384 = 384^2 + 7128^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50955795 and 50955804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50955841) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36760 + ... + 38120.

It is an arithmetic number, because the mean of its divisors is an integer number (1124331).

Almost surely, 2^50955840 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 50955840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94443804).

50955840 is an abundant number, since it is smaller than the sum of its proper divisors (137931768).

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

50955840 is a wasteful number, since it uses less digits than its factorization.

50955840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397 (or 1384 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The square root of 50955840 is about 7138.3359405396. The cubic root of 50955840 is about 370.7359105552.

The spelling of 50955840 in words is "fifty million, nine hundred fifty-five thousand, eight hundred forty".