2154006022553 has 32 divisors (see below), whose sum is σ = 2698791892992. Its totient is φ = 1670156956800.

The previous prime is 2154006022543. The next prime is 2154006022559. The reversal of 2154006022553 is 3552206004512.

It is a cyclic number.

It is not a de Polignac number, because 2154006022553 - 2¹² = 2154006018457 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2154006022559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28147100 + ... + 28223522.

It is an arithmetic number, because the mean of its divisors is an integer number (84337246656).

Almost surely, 2^{2154006022553} is an apocalyptic number.

It is an amenable number.

2154006022553 is a deficient number, since it is larger than the sum of its proper divisors (544785870439).

2154006022553 is a wasteful number, since it uses less digits than its factorization.

2154006022553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78245.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 2154006022553 in words is "two trillion, one hundred fifty-four billion, six million, twenty-two thousand, five hundred fifty-three".