53220611622551 has 8 divisors (see below), whose sum is σ = 55442720667600. Its totient is φ = 51042504736960.

The previous prime is 53220611622491. The next prime is 53220611622593. The reversal of 53220611622551 is 15522611602235.

53220611622551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53220611622551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53220611622499 and 53220611622508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53220613622551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11000537396 + ... + 11000542233.

It is an arithmetic number, because the mean of its divisors is an integer number (6930340083450).

Almost surely, 2^{53220611622551} is an apocalyptic number.

53220611622551 is a deficient number, since it is larger than the sum of its proper divisors (2222109045049).

53220611622551 is a wasteful number, since it uses less digits than its factorization.

53220611622551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22001079729.

The product of its (nonzero) digits is 216000, while the sum is 41.

The spelling of 53220611622551 in words is "fifty-three trillion, two hundred twenty billion, six hundred eleven million, six hundred twenty-two thousand, five hundred fifty-one".