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53912055 = 354776471
BaseRepresentation
bin1100110110101…
…0000111110111
310202110000102210
43031222013313
5102300141210
65203304503
71223150001
oct315520767
9122400383
1053912055
1128482a1a
121607b133
13b227c32
147235371
154aede20
hex336a1f7

53912055 has 16 divisors (see below), whose sum is σ = 88095744. Its totient is φ = 28140960.

The previous prime is 53912051. The next prime is 53912081. The reversal of 53912055 is 55021935.

It is not a de Polignac number, because 53912055 - 22 = 53912051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53912051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37531 + ... + 38940.

It is an arithmetic number, because the mean of its divisors is an integer number (5505984).

Almost surely, 253912055 is an apocalyptic number.

53912055 is a deficient number, since it is larger than the sum of its proper divisors (34183689).

53912055 is a wasteful number, since it uses less digits than its factorization.

53912055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76526.

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 53912055 is about 7342.4828906849. The cubic root of 53912055 is about 377.7710113327.

The spelling of 53912055 in words is "fifty-three million, nine hundred twelve thousand, fifty-five".

Divisors: 1 3 5 15 47 141 235 705 76471 229413 382355 1147065 3594137 10782411 17970685 53912055