53552020345 has 8 divisors (see below), whose sum is σ = 64364270400. Its totient is φ = 42773718960.

The previous prime is 53552020343. The next prime is 53552020363. The reversal of 53552020345 is 54302025535.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 53552020345 - 2¹ = 53552020343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53552020345.

It is not an unprimeable number, because it can be changed into a prime (53552020343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8483695 + ... + 8490004.

It is an arithmetic number, because the mean of its divisors is an integer number (8045533800).

Almost surely, 2^53552020345 is an apocalyptic number.

It is an amenable number.

53552020345 is a deficient number, since it is larger than the sum of its proper divisors (10812250055).

53552020345 is a wasteful number, since it uses less digits than its factorization.

53552020345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16974335.

The product of its (nonzero) digits is 90000, while the sum is 34.

The spelling of 53552020345 in words is "fifty-three billion, five hundred fifty-two million, twenty thousand, three hundred forty-five".