50999040 has 216 divisors, whose sum is σ = 186535440. Its totient is φ = 12828672.

The previous prime is 50999033. The next prime is 50999051. The reversal of 50999040 is 4099905.

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 = 50998986 and 50999004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218764 + ... + 218996.

It is an arithmetic number, because the mean of its divisors is an integer number (863590).

Almost surely, 2^50999040 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 50999040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93267720).

50999040 is an abundant number, since it is smaller than the sum of its proper divisors (135536400).

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

50999040 is a wasteful number, since it uses less digits than its factorization.

50999040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 262 counting only the distinct ones).

The product of its (nonzero) digits is 14580, while the sum is 36.

The square root of 50999040 is about 7141.3612147825. The cubic root of 50999040 is about 370.8406500541.

The spelling of 50999040 in words is "fifty million, nine hundred ninety-nine thousand, forty".