50999004 has 144 divisors (see below), whose sum is σ = 160876800. Its totient is φ = 13904352.

The previous prime is 50998991. The next prime is 50999033. The reversal of 50999004 is 40099905.

50999004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50999004.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 121507 + ... + 121925.

It is an arithmetic number, because the mean of its divisors is an integer number (1117200).

Almost surely, 2^50999004 is an apocalyptic number.

50999004 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50999004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80438400).

50999004 is an abundant number, since it is smaller than the sum of its proper divisors (109877796).

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

50999004 is a wasteful number, since it uses less digits than its factorization.

50999004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 454 counting only the distinct ones).

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

The square root of 50999004 is about 7141.3586942542. The cubic root of 50999004 is about 370.8405627958.

The spelling of 50999004 in words is "fifty million, nine hundred ninety-nine thousand, four".