54151732220 has 24 divisors (see below), whose sum is σ = 118662927264. Its totient is φ = 20718923456.

The previous prime is 54151732199. The next prime is 54151732267. The reversal of 54151732220 is 2223715145.

It is a super-2 number, since 2×54151732220² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 58860119 + ... + 58861038.

It is an arithmetic number, because the mean of its divisors is an integer number (4944288636).

Almost surely, 2^54151732220 is an apocalyptic number.

It is an amenable number.

54151732220 is an abundant number, since it is smaller than the sum of its proper divisors (64511195044).

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

54151732220 is a wasteful number, since it uses less digits than its factorization.

54151732220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117721189 (or 117721187 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The spelling of 54151732220 in words is "fifty-four billion, one hundred fifty-one million, seven hundred thirty-two thousand, two hundred twenty".