50523720 has 128 divisors (see below), whose sum is σ = 165110400. Its totient is φ = 12294144.

The previous prime is 50523719. The next prime is 50523721. The reversal of 50523720 is 2732505.

It is an interprime number because it is at equal distance from previous prime (50523719) and next prime (50523721).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (50523721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216724 + ... + 216956.

It is an arithmetic number, because the mean of its divisors is an integer number (1289925).

Almost surely, 2^50523720 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 50523720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82555200).

50523720 is an abundant number, since it is smaller than the sum of its proper divisors (114586680).

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

50523720 is a wasteful number, since it uses less digits than its factorization.

50523720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 395 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 24.

The square root of 50523720 is about 7108.0039392223. The cubic root of 50523720 is about 369.6849521745.

The spelling of 50523720 in words is "fifty million, five hundred twenty-three thousand, seven hundred twenty".