53224031550 has 48 divisors (see below), whose sum is σ = 132013014912. Its totient is φ = 14191202400.

The previous prime is 53224031519. The next prime is 53224031569. The reversal of 53224031550 is 5513042235.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1407997 + ... + 1445303.

It is an arithmetic number, because the mean of its divisors is an integer number (2750271144).

Almost surely, 2^53224031550 is an apocalyptic number.

53224031550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

53224031550 is an abundant number, since it is smaller than the sum of its proper divisors (78788983362).

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

53224031550 is a wasteful number, since it uses less digits than its factorization.

53224031550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46833 (or 46828 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

Adding to 53224031550 its reverse (5513042235), we get a palindrome (58737073785).

The spelling of 53224031550 in words is "fifty-three billion, two hundred twenty-four million, thirty-one thousand, five hundred fifty".