54221785052051 has 8 divisors (see below), whose sum is σ = 54772593166224. Its totient is φ = 53671250639200.

The previous prime is 54221785052041. The next prime is 54221785052081. The reversal of 54221785052051 is 15025058712245.

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

It is a cyclic number.

It is not a de Polignac number, because 54221785052051 - 2¹⁴ = 54221785035667 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54221785051987 and 54221785052005.

It is not an unprimeable number, because it can be changed into a prime (54221785052041) 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, 68027096 + ... + 68819541.

It is an arithmetic number, because the mean of its divisors is an integer number (6846574145778).

Almost surely, 2^{54221785052051} is an apocalyptic number.

54221785052051 is a deficient number, since it is larger than the sum of its proper divisors (550808114173).

54221785052051 is a wasteful number, since it uses less digits than its factorization.

54221785052051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136850661.

The product of its (nonzero) digits is 1120000, while the sum is 47.

The spelling of 54221785052051 in words is "fifty-four trillion, two hundred twenty-one billion, seven hundred eighty-five million, fifty-two thousand, fifty-one".