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55225492 = 2272817019
BaseRepresentation
bin1101001010101…
…0110010010100
310211220202010121
43102222302110
5103114203432
65251401324
71240260160
oct322526224
9124822117
1055225492
112919a803
12165b3244
13b597a0a
147497ca0
154cad197
hex34aac94

55225492 has 24 divisors (see below), whose sum is σ = 110859840. Its totient is φ = 23580480.

The previous prime is 55225463. The next prime is 55225543. The reversal of 55225492 is 29452255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4359 + ... + 11377.

It is an arithmetic number, because the mean of its divisors is an integer number (4619160).

Almost surely, 255225492 is an apocalyptic number.

It is an amenable number.

55225492 is an abundant number, since it is smaller than the sum of its proper divisors (55634348).

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

55225492 is a wasteful number, since it uses less digits than its factorization.

55225492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7311 (or 7309 counting only the distinct ones).

The product of its digits is 36000, while the sum is 34.

The square root of 55225492 is about 7431.3856043136. The cubic root of 55225492 is about 380.8142558306.

The spelling of 55225492 in words is "fifty-five million, two hundred twenty-five thousand, four hundred ninety-two".

Divisors: 1 2 4 7 14 28 281 562 1124 1967 3934 7019 7868 14038 28076 49133 98266 196532 1972339 3944678 7889356 13806373 27612746 55225492