55067232 has 48 divisors (see below), whose sum is σ = 157695552. Its totient is φ = 16686720.

The previous prime is 55067231. The next prime is 55067261. The reversal of 55067232 is 23276055.

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

It is a super-3 number, since 3×55067232³ (a number of 24 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55067232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55067231) 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, 25018 + ... + 27129.

It is an arithmetic number, because the mean of its divisors is an integer number (3285324).

Almost surely, 2^55067232 is an apocalyptic number.

It is an amenable number.

55067232 is an abundant number, since it is smaller than the sum of its proper divisors (102628320).

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

55067232 is a wasteful number, since it uses less digits than its factorization.

55067232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52171 (or 52163 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 55067232 is about 7420.7298832392. The cubic root of 55067232 is about 380.4501406152.

The spelling of 55067232 in words is "fifty-five million, sixty-seven thousand, two hundred thirty-two".