55546072 has 16 divisors (see below), whose sum is σ = 110275560. Its totient is φ = 26139264.

The previous prime is 55546039. The next prime is 55546097. The reversal of 55546072 is 27064555.

55546072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55546072² = 6170732229258368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 204078 + ... + 204349.

Almost surely, 2^55546072 is an apocalyptic number.

It is an amenable number.

55546072 is a deficient number, since it is larger than the sum of its proper divisors (54729488).

55546072 is a wasteful number, since it uses less digits than its factorization.

55546072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408450 (or 408446 counting only the distinct ones).

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

The square root of 55546072 is about 7452.9237216008. The cubic root of 55546072 is about 381.5497010267.

The spelling of 55546072 in words is "fifty-five million, five hundred forty-six thousand, seventy-two".