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55404685924 = 2272172232432
BaseRepresentation
bin110011100110011000…
…000110101001100100
312022000020200122220121
4303212120012221210
51401432044422144
641241430411324
74000660026400
oct634630065144
9168006618817
1055404685924
1121551556635
12a8a2b00b44
1352bc6c0a33
142978456100
1516940d8384
hexce6606a64

55404685924 has 243 divisors, whose sum is σ = 128229224697. Its totient is φ = 20879324928.

The previous prime is 55404685877. The next prime is 55404685927. The reversal of 55404685924 is 42958640455.

The square root of 55404685924 is 235382.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 43135136100 + 12269549824 = 207690^2 + 110768^2 .

It is not an unprimeable number, because it can be changed into a prime (55404685927) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1288481047 + ... + 1288481089.

Almost surely, 255404685924 is an apocalyptic number.

55404685924 is the 235382-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55404685924

55404685924 is an abundant number, since it is smaller than the sum of its proper divisors (72824538773).

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

55404685924 is a wasteful number, since it uses less digits than its factorization.

55404685924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 52.

The spelling of 55404685924 in words is "fifty-five billion, four hundred four million, six hundred eighty-five thousand, nine hundred twenty-four".