54166720 has 112 divisors (see below), whose sum is σ = 138988800. Its totient is φ = 20044800.

The previous prime is 54166711. The next prime is 54166729. The reversal of 54166720 is 2766145.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (54166711) and next prime (54166729).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54166729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358645 + ... + 358795.

Almost surely, 2^54166720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54166720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69494400).

54166720 is an abundant number, since it is smaller than the sum of its proper divisors (84822080).

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

54166720 is a wasteful number, since it uses less digits than its factorization.

54166720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 54166720 is about 7359.8043452255. The cubic root of 54166720 is about 378.3649042895.

The spelling of 54166720 in words is "fifty-four million, one hundred sixty-six thousand, seven hundred twenty".