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55006038 = 23210912801
BaseRepresentation
bin1101000111010…
…1001101010110
310211111121002200
43101311031112
5103040143123
65242545330
71235354313
oct321651526
9124447080
1055006038
112905a93a
1216508246
13b51bb69
14743bd0a
154c68143
hex3475356

55006038 has 24 divisors (see below), whose sum is σ = 119331576. Its totient is φ = 18312000.

The previous prime is 55006037. The next prime is 55006109. The reversal of 55006038 is 83060055.

55006038 is a `hidden beast` number, since 5 + 50 + 0 + 603 + 8 = 666.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55006037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18238 + ... + 21038.

It is an arithmetic number, because the mean of its divisors is an integer number (4972149).

Almost surely, 255006038 is an apocalyptic number.

55006038 is an abundant number, since it is smaller than the sum of its proper divisors (64325538).

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

55006038 is a wasteful number, since it uses less digits than its factorization.

55006038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3900 (or 3897 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 55006038 is about 7416.6055578007. The cubic root of 55006038 is about 380.3091620681.

The spelling of 55006038 in words is "fifty-five million, six thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 1091 2182 2801 3273 5602 6546 8403 9819 16806 19638 25209 50418 3055891 6111782 9167673 18335346 27503019 55006038