55560054 has 48 divisors (see below), whose sum is σ = 123492096. Its totient is φ = 16650480.

The previous prime is 55560049. The next prime is 55560061. The reversal of 55560054 is 45006555.

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 23 ways as a sum of consecutive naturals, for example, 74407 + ... + 75149.

It is an arithmetic number, because the mean of its divisors is an integer number (2572752).

Almost surely, 2^55560054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55560054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61746048).

55560054 is an abundant number, since it is smaller than the sum of its proper divisors (67932042).

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

55560054 is a wasteful number, since it uses less digits than its factorization.

55560054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873 (or 862 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 55560054 is about 7453.8616837180. The cubic root of 55560054 is about 381.5817127733.

The spelling of 55560054 in words is "fifty-five million, five hundred sixty thousand, fifty-four".