55620046 has 8 divisors (see below), whose sum is σ = 83503584. Its totient is φ = 27785520.

The previous prime is 55620041. The next prime is 55620053. The reversal of 55620046 is 64002655.

55620046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 55619996 and 55620023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55620041) by changing a digit.

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, 9270 + ... + 14041.

It is an arithmetic number, because the mean of its divisors is an integer number (10437948).

Almost surely, 2^55620046 is an apocalyptic number.

55620046 is a deficient number, since it is larger than the sum of its proper divisors (27883538).

55620046 is a wasteful number, since it uses less digits than its factorization.

55620046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24506.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 55620046 is about 7457.8848207786. The cubic root of 55620046 is about 381.7190033511.

It can be divided in two parts, 556 and 20046, that added together give a palindrome (20602).

The spelling of 55620046 in words is "fifty-five million, six hundred twenty thousand, forty-six".