55067072 has 14 divisors (see below), whose sum is σ = 109273848. Its totient is φ = 27533504.

The previous prime is 55067071. The next prime is 55067093. The reversal of 55067072 is 27076055.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55067071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 430148 + ... + 430275.

Almost surely, 2^55067072 is an apocalyptic number.

It is an amenable number.

55067072 is a deficient number, since it is larger than the sum of its proper divisors (54206776).

55067072 is an equidigital number, since it uses as much as digits as its factorization.

55067072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860435 (or 860425 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 55067072 is about 7420.7191026207. The cubic root of 55067072 is about 380.4497721439.

The spelling of 55067072 in words is "fifty-five million, sixty-seven thousand, seventy-two".