54547440 has 40 divisors (see below), whose sum is σ = 169097808. Its totient is φ = 14545920.

The previous prime is 54547433. The next prime is 54547457. The reversal of 54547440 is 4474545.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113401 + ... + 113880.

Almost surely, 2^54547440 is an apocalyptic number.

It is an amenable number.

54547440 is an abundant number, since it is smaller than the sum of its proper divisors (114550368).

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

54547440 is a wasteful number, since it uses less digits than its factorization.

54547440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227297 (or 227291 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 33.

The square root of 54547440 is about 7385.6238734450. The cubic root of 54547440 is about 379.2493028170.

The spelling of 54547440 in words is "fifty-four million, five hundred forty-seven thousand, four hundred forty".