55064450 has 24 divisors (see below), whose sum is σ = 117052032. Its totient is φ = 18879120.

The previous prime is 55064423. The next prime is 55064483. The reversal of 55064450 is 5446055.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 78314 + ... + 79013.

It is an arithmetic number, because the mean of its divisors is an integer number (4877168).

Almost surely, 2^55064450 is an apocalyptic number.

55064450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55064450 is an abundant number, since it is smaller than the sum of its proper divisors (61987582).

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

55064450 is a wasteful number, since it uses less digits than its factorization.

55064450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157346 (or 157341 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 55064450 is about 7420.5424330031. The cubic root of 55064450 is about 380.4437337190.

The spelling of 55064450 in words is "fifty-five million, sixty-four thousand, four hundred fifty".