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52558968 = 233721117239
BaseRepresentation
bin1100100001111…
…1110001111000
310122220021100110
43020133301320
5101423341333
65114304320
71205513100
oct310376170
9118807313
1052558968
1127739370
12157280a0
13ab730a7
146da2200
154933063
hex321fc78

52558968 has 192 divisors, whose sum is σ = 177292800. Its totient is φ = 12794880.

The previous prime is 52558939. The next prime is 52558969. The reversal of 52558968 is 86985525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52558969) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 219793 + ... + 220031.

It is an arithmetic number, because the mean of its divisors is an integer number (923400).

Almost surely, 252558968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52558968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88646400).

52558968 is an abundant number, since it is smaller than the sum of its proper divisors (124733832).

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

52558968 is a wasteful number, since it uses less digits than its factorization.

52558968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 279 counting only the distinct ones).

The product of its digits is 864000, while the sum is 48.

The square root of 52558968 is about 7249.7564097009. The cubic root of 52558968 is about 374.5837585970.

The spelling of 52558968 in words is "fifty-two million, five hundred fifty-eight thousand, nine hundred sixty-eight".