55027972 has 12 divisors (see below), whose sum is σ = 96423376. Its totient is φ = 27478440.

The previous prime is 55027969. The next prime is 55027979. The reversal of 55027972 is 27972055.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (55027979) 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 3 ways as a sum of consecutive naturals, for example, 5238 + ... + 11725.

Almost surely, 2^55027972 is an apocalyptic number.

It is an amenable number.

55027972 is a deficient number, since it is larger than the sum of its proper divisors (41395404).

55027972 is a wasteful number, since it uses less digits than its factorization.

55027972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17778 (or 17776 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 37.

The square root of 55027972 is about 7418.0841192319. The cubic root of 55027972 is about 380.3597055656.

The spelling of 55027972 in words is "fifty-five million, twenty-seven thousand, nine hundred seventy-two".