54567840 has 48 divisors (see below), whose sum is σ = 171890208. Its totient is φ = 14551296.

The previous prime is 54567839. The next prime is 54567847. The reversal of 54567840 is 4876545.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (54567847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56362 + ... + 57321.

It is an arithmetic number, because the mean of its divisors is an integer number (3581046).

Almost surely, 2^54567840 is an apocalyptic number.

It is an amenable number.

54567840 is an abundant number, since it is smaller than the sum of its proper divisors (117322368).

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

54567840 is a wasteful number, since it uses less digits than its factorization.

54567840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113701 (or 113693 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 54567840 is about 7387.0048057382. The cubic root of 54567840 is about 379.2965749499.

The spelling of 54567840 in words is "fifty-four million, five hundred sixty-seven thousand, eight hundred forty".