54681480 has 160 divisors (see below), whose sum is σ = 210133440. Its totient is φ = 12493440.

The previous prime is 54681467. The next prime is 54681493. The reversal of 54681480 is 8418645.

It is an interprime number because it is at equal distance from previous prime (54681467) and next prime (54681493).

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

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 21475 + ... + 23885.

It is an arithmetic number, because the mean of its divisors is an integer number (1313334).

Almost surely, 2^54681480 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 54681480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105066720).

54681480 is an abundant number, since it is smaller than the sum of its proper divisors (155451960).

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

54681480 is a wasteful number, since it uses less digits than its factorization.

54681480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2441 (or 2428 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 54681480 is about 7394.6926913835. The cubic root of 54681480 is about 379.5596931520.

The spelling of 54681480 in words is "fifty-four million, six hundred eighty-one thousand, four hundred eighty".