53030402120 has 32 divisors (see below), whose sum is σ = 119883913920. Its totient is φ = 21111625920.

The previous prime is 53030402063. The next prime is 53030402129. The reversal of 53030402120 is 2120403035.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 53030402092 and 53030402101.

It is not an unprimeable number, because it can be changed into a prime (53030402129) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3133172 + ... + 3150051.

It is an arithmetic number, because the mean of its divisors is an integer number (3746372310).

Almost surely, 2^53030402120 is an apocalyptic number.

It is an amenable number.

53030402120 is an abundant number, since it is smaller than the sum of its proper divisors (66853511800).

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

53030402120 is a wasteful number, since it uses less digits than its factorization.

53030402120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6283445 (or 6283441 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 53030402120 its reverse (2120403035), we get a palindrome (55150805155).

The spelling of 53030402120 in words is "fifty-three billion, thirty million, four hundred two thousand, one hundred twenty".