53553430520 has 32 divisors (see below), whose sum is σ = 120501857520. Its totient is φ = 21420192000.

The previous prime is 53553430421. The next prime is 53553430537. The reversal of 53553430520 is 2503435535.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269284 + ... + 1310796.

Almost surely, 2^53553430520 is an apocalyptic number.

It is an amenable number.

53553430520 is an abundant number, since it is smaller than the sum of its proper divisors (66948427000).

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

53553430520 is a wasteful number, since it uses less digits than its factorization.

53553430520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73775 (or 73771 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 35.

The spelling of 53553430520 in words is "fifty-three billion, five hundred fifty-three million, four hundred thirty thousand, five hundred twenty".