55358030 has 64 divisors (see below), whose sum is σ = 123863040. Its totient is φ = 17345664.

The previous prime is 55358021. The next prime is 55358047. The reversal of 55358030 is 3085355.

55358030 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 2×55358030² = 6129022970961800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55357984 and 55358002.

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 31 ways as a sum of consecutive naturals, for example, 115331 + ... + 115809.

It is an arithmetic number, because the mean of its divisors is an integer number (1935360).

Almost surely, 2^55358030 is an apocalyptic number.

55358030 is an abundant number, since it is smaller than the sum of its proper divisors (68505010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55358030 is a wasteful number, since it uses less digits than its factorization.

55358030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 55358030 is about 7440.2977090974. The cubic root of 55358030 is about 381.1186565391.

The spelling of 55358030 in words is "fifty-five million, three hundred fifty-eight thousand, thirty".