53729518050 has 384 divisors, whose sum is σ = 165364416000. Its totient is φ = 12742963200.

The previous prime is 53729518039. The next prime is 53729518067. The reversal of 53729518050 is 5081592735.

It is a super-2 number, since 2×53729518050² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 53729517987 and 53729518005.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 64039531 + ... + 64040369.

It is an arithmetic number, because the mean of its divisors is an integer number (430636500).

Almost surely, 2^53729518050 is an apocalyptic number.

53729518050 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 53729518050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82682208000).

53729518050 is an abundant number, since it is smaller than the sum of its proper divisors (111634897950).

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

53729518050 is a wasteful number, since it uses less digits than its factorization.

53729518050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 45.

The spelling of 53729518050 in words is "fifty-three billion, seven hundred twenty-nine million, five hundred eighteen thousand, fifty".