55620058 has 8 divisors (see below), whose sum is σ = 89847828. Its totient is φ = 25670784.

The previous prime is 55620053. The next prime is 55620079. The reversal of 55620058 is 85002655.

55620058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 54952569 + 667489 = 7413^2 + 817^2 .

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

It is not an unprimeable number, because it can be changed into a prime (55620053) 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, 1069591 + ... + 1069642.

Almost surely, 2^55620058 is an apocalyptic number.

55620058 is a deficient number, since it is larger than the sum of its proper divisors (34227770).

55620058 is a wasteful number, since it uses less digits than its factorization.

55620058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2139248.

The product of its (nonzero) digits is 12000, while the sum is 31.

The square root of 55620058 is about 7457.8856252962. The cubic root of 55620058 is about 381.7190308030.

The spelling of 55620058 in words is "fifty-five million, six hundred twenty thousand, fifty-eight".