54221531472 has 60 divisors (see below), whose sum is σ = 154316953440. Its totient is φ = 17767504704.

The previous prime is 54221531471. The next prime is 54221531473. The reversal of 54221531472 is 27413512245.

54221531472 is a `hidden beast` number, since 5 + 422 + 153 + 14 + 72 = 666.

It is an interprime number because it is at equal distance from previous prime (54221531471) and next prime (54221531473).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54221531471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3182508 + ... + 3199499.

It is an arithmetic number, because the mean of its divisors is an integer number (2571949224).

Almost surely, 2^54221531472 is an apocalyptic number.

It is an amenable number.

54221531472 is an abundant number, since it is smaller than the sum of its proper divisors (100095421968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54221531472 is a wasteful number, since it uses less digits than its factorization.

54221531472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382080 (or 6382071 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The spelling of 54221531472 in words is "fifty-four billion, two hundred twenty-one million, five hundred thirty-one thousand, four hundred seventy-two".