54543632 has 80 divisors (see below), whose sum is σ = 128325120. Its totient is φ = 22118400.

The previous prime is 54543617. The next prime is 54543647. The reversal of 54543632 is 23634545.

It is an interprime number because it is at equal distance from previous prime (54543617) and next prime (54543647).

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70544 + ... + 71312.

It is an arithmetic number, because the mean of its divisors is an integer number (1604064).

Almost surely, 2^54543632 is an apocalyptic number.

54543632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54543632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64162560).

54543632 is an abundant number, since it is smaller than the sum of its proper divisors (73781488).

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

54543632 is a wasteful number, since it uses less digits than its factorization.

54543632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 832 (or 826 counting only the distinct ones).

The product of its digits is 43200, while the sum is 32.

The square root of 54543632 is about 7385.3660708187. The cubic root of 54543632 is about 379.2404773802.

The spelling of 54543632 in words is "fifty-four million, five hundred forty-three thousand, six hundred thirty-two".