52558000 has 80 divisors (see below), whose sum is σ = 138696480. Its totient is φ = 19104000.

The previous prime is 52557983. The next prime is 52558001. The reversal of 52558000 is 85525.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52558001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20806 + ... + 23194.

It is an arithmetic number, because the mean of its divisors is an integer number (1733706).

Almost surely, 2^52558000 is an apocalyptic number.

52558000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52558000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69348240).

52558000 is an abundant number, since it is smaller than the sum of its proper divisors (86138480).

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

52558000 is a wasteful number, since it uses less digits than its factorization.

52558000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2423 (or 2407 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 52558000 is about 7249.6896485298. The cubic root of 52558000 is about 374.5814589621.

The spelling of 52558000 in words is "fifty-two million, five hundred fifty-eight thousand".