55067328 has 42 divisors (see below), whose sum is σ = 157842204. Its totient is φ = 18355584.

The previous prime is 55067303. The next prime is 55067329. The reversal of 55067328 is 82376055.

It is a super-2 number, since 2×55067328² = 6064821226119168, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 55067292 and 55067301.

It is not an unprimeable number, because it can be changed into a prime (55067329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47226 + ... + 48377.

Almost surely, 2^55067328 is an apocalyptic number.

It is an amenable number.

55067328 is an abundant number, since it is smaller than the sum of its proper divisors (102774876).

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

55067328 is a wasteful number, since it uses less digits than its factorization.

55067328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95621 (or 95608 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 55067328 is about 7420.7363516029. The cubic root of 55067328 is about 380.4503616976.

The spelling of 55067328 in words is "fifty-five million, sixty-seven thousand, three hundred twenty-eight".