53430215220 has 48 divisors (see below), whose sum is σ = 166227337920. Its totient is φ = 14248057248.

The previous prime is 53430215171. The next prime is 53430215243. The reversal of 53430215220 is 2251203435.

It is a happy number.

53430215220 is a `hidden beast` number, since 5 + 3 + 430 + 2 + 1 + 5 + 220 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49471882 + ... + 49472961.

It is an arithmetic number, because the mean of its divisors is an integer number (3463069540).

Almost surely, 2^53430215220 is an apocalyptic number.

It is an amenable number.

53430215220 is an abundant number, since it is smaller than the sum of its proper divisors (112797122700).

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

53430215220 is a wasteful number, since it uses less digits than its factorization.

53430215220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98944861 (or 98944853 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 53430215220 its reverse (2251203435), we get a palindrome (55681418655).

The spelling of 53430215220 in words is "fifty-three billion, four hundred thirty million, two hundred fifteen thousand, two hundred twenty".