55255030 has 16 divisors (see below), whose sum is σ = 99606960. Its totient is φ = 22069152.

The previous prime is 55255019. The next prime is 55255061. The reversal of 55255030 is 3055255.

It is a junction number, because it is equal to n+sod(n) for n = 55254986 and 55255004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3652 + ... + 11128.

It is an arithmetic number, because the mean of its divisors is an integer number (6225435).

Almost surely, 2^55255030 is an apocalyptic number.

55255030 is a deficient number, since it is larger than the sum of its proper divisors (44351930).

55255030 is a wasteful number, since it uses less digits than its factorization.

55255030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8223.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 55255030 is about 7433.3727203740. The cubic root of 55255030 is about 380.8821380484.

The spelling of 55255030 in words is "fifty-five million, two hundred fifty-five thousand, thirty".