53022021155 has 8 divisors (see below), whose sum is σ = 63959549184. Its totient is φ = 42195534400.

The previous prime is 53022021139. The next prime is 53022021209. The reversal of 53022021155 is 55112022035.

53022021155 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 not a de Polignac number, because 53022021155 - 2⁴ = 53022021139 is a prime.

It is a super-2 number, since 2×53022021155² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27759266 + ... + 27761175.

It is an arithmetic number, because the mean of its divisors is an integer number (7994943648).

Almost surely, 2^53022021155 is an apocalyptic number.

53022021155 is a deficient number, since it is larger than the sum of its proper divisors (10937528029).

53022021155 is a wasteful number, since it uses less digits than its factorization.

53022021155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55520637.

The product of its (nonzero) digits is 3000, while the sum is 26.

The spelling of 53022021155 in words is "fifty-three billion, twenty-two million, twenty-one thousand, one hundred fifty-five".