55063146 has 16 divisors (see below), whose sum is σ = 111770784. Its totient is φ = 18080304.

The previous prime is 55063139. The next prime is 55063147. The reversal of 55063146 is 64136055.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55063147) by changing a digit.

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, 68085 + ... + 68888.

It is an arithmetic number, because the mean of its divisors is an integer number (6985674).

Almost surely, 2^55063146 is an apocalyptic number.

55063146 is an abundant number, since it is smaller than the sum of its proper divisors (56707638).

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

55063146 is a wasteful number, since it uses less digits than its factorization.

55063146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137045.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 55063146 is about 7420.4545682862. The cubic root of 55063146 is about 380.4407305561.

The spelling of 55063146 in words is "fifty-five million, sixty-three thousand, one hundred forty-six".