55620016 has 40 divisors (see below), whose sum is σ = 110149200. Its totient is φ = 27202560.

The previous prime is 55620007. The next prime is 55620023. The reversal of 55620016 is 61002655.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 197796 + ... + 198076.

It is an arithmetic number, because the mean of its divisors is an integer number (2753730).

Almost surely, 2^55620016 is an apocalyptic number.

It is an amenable number.

55620016 is a deficient number, since it is larger than the sum of its proper divisors (54529184).

55620016 is a wasteful number, since it uses less digits than its factorization.

55620016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517 (or 511 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 55620016 is about 7457.8828094842. The cubic root of 55620016 is about 381.7189347214.

It can be divided in two parts, 556 and 20016, that multiplied together give a square (11128896 = 3336²).

The spelling of 55620016 in words is "fifty-five million, six hundred twenty thousand, sixteen".