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55725576192 = 2123211213312
BaseRepresentation
bin110011111001100000…
…001101000000000000
312022211121111120121100
4303321200031000000
51403111221414232
641333332254400
74011634403466
oct637140150000
9168747446540
1055725576192
11216a66a9200
12a972471400
135341024230
1429a8d06836
1516b2371c7c
hexcf980d000

55725576192 has 702 divisors, whose sum is σ = 196883446578. Its totient is φ = 15084748800.

The previous prime is 55725576149. The next prime is 55725576229. The reversal of 55725576192 is 29167552755.

55725576192 is a `hidden beast` number, since 5 + 5 + 72 + 557 + 6 + 19 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 38579245056 + 17146331136 = 196416^2 + 130944^2 .

Its product of digits (6615000) is a multiple of the sum of its prime divisors (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1797599217 + ... + 1797599247.

Almost surely, 255725576192 is an apocalyptic number.

55725576192 is a gapful number since it is divisible by the number (52) 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 55725576192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98441723289).

55725576192 is an abundant number, since it is smaller than the sum of its proper divisors (141157870386).

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

55725576192 is a wasteful number, since it uses less digits than its factorization.

55725576192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 60 counting only the distinct ones).

The product of its digits is 6615000, while the sum is 54.

The spelling of 55725576192 in words is "fifty-five billion, seven hundred twenty-five million, five hundred seventy-six thousand, one hundred ninety-two".