55467520 has 80 divisors (see below), whose sum is σ = 136116288. Its totient is φ = 21667840.

The previous prime is 55467509. The next prime is 55467527. The reversal of 55467520 is 2576455.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55467527) by changing a digit.

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, 120090 + ... + 120550.

Almost surely, 2^55467520 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 55467520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68058144).

55467520 is an abundant number, since it is smaller than the sum of its proper divisors (80648768).

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

55467520 is an equidigital number, since it uses as much as digits as its factorization.

55467520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531 (or 515 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 55467520 is about 7447.6519789797. The cubic root of 55467520 is about 381.3697565200.

The spelling of 55467520 in words is "fifty-five million, four hundred sixty-seven thousand, five hundred twenty".