53719950 has 72 divisors (see below), whose sum is σ = 139475448. Its totient is φ = 13682240.

The previous prime is 53719937. The next prime is 53719951. The reversal of 53719950 is 5991735.

It is a junction number, because it is equal to n+sod(n) for n = 53719899 and 53719908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53719951) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 79012 + ... + 79688.

It is an arithmetic number, because the mean of its divisors is an integer number (1937159).

Almost surely, 2^53719950 is an apocalyptic number.

53719950 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53719950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69737724).

53719950 is an abundant number, since it is smaller than the sum of its proper divisors (85755498).

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

53719950 is a wasteful number, since it uses less digits than its factorization.

53719950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 53719950 is about 7329.3894697990. The cubic root of 53719950 is about 377.3217730965.

The spelling of 53719950 in words is "fifty-three million, seven hundred nineteen thousand, nine hundred fifty".