54487020 has 144 divisors (see below), whose sum is σ = 182020608. Its totient is φ = 12136320.

The previous prime is 54487019. The next prime is 54487049. The reversal of 54487020 is 2078445.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126205 + ... + 126635.

It is an arithmetic number, because the mean of its divisors is an integer number (1264032).

Almost surely, 2^54487020 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 54487020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91010304).

54487020 is an abundant number, since it is smaller than the sum of its proper divisors (127533588).

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

54487020 is a wasteful number, since it uses less digits than its factorization.

54487020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 54487020 is about 7381.5323612377. The cubic root of 54487020 is about 379.1092246973.

The spelling of 54487020 in words is "fifty-four million, four hundred eighty-seven thousand, twenty".