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55201974 = 239200329
BaseRepresentation
bin1101001010010…
…1000010110110
310211212112212120
43102211002312
5103112430344
65251100410
71240131462
oct322450266
9124775776
1055201974
1129184073
12165a1706
13b58a0b9
14748d4a2
154ca6219
hex34a50b6

55201974 has 8 divisors (see below), whose sum is σ = 110403960. Its totient is φ = 18400656.

The previous prime is 55201963. The next prime is 55201997. The reversal of 55201974 is 47910255.

It is a sphenic number, since it is the product of 3 distinct primes.

55201974 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4600159 + ... + 4600170.

It is an arithmetic number, because the mean of its divisors is an integer number (13800495).

Almost surely, 255201974 is an apocalyptic number.

55201974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

55201974 is a wasteful number, since it uses less digits than its factorization.

55201974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9200334.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 55201974 is about 7429.8030929494. The cubic root of 55201974 is about 380.7601910563.

The spelling of 55201974 in words is "fifty-five million, two hundred one thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 9200329 18400658 27600987 55201974