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55152353 = 127743189
BaseRepresentation
bin1101001001100…
…0111011100001
310211210000210202
43102120323201
5103104333403
65250034545
71236534014
oct322307341
9124700722
1055152353
112914a863
1216578a55
13b570639
14747937b
154c96688
hex3498ee1

55152353 has 4 divisors (see below), whose sum is σ = 55196820. Its totient is φ = 55107888.

The previous prime is 55152343. The next prime is 55152371. The reversal of 55152353 is 35325155.

55152353 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35325155 = 57065031.

It can be written as a sum of positive squares in 2 ways, for example, as 15108769 + 40043584 = 3887^2 + 6328^2 .

It is a cyclic number.

It is not a de Polignac number, because 55152353 - 210 = 55151329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55152313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20318 + ... + 22871.

It is an arithmetic number, because the mean of its divisors is an integer number (13799205).

Almost surely, 255152353 is an apocalyptic number.

It is an amenable number.

55152353 is a deficient number, since it is larger than the sum of its proper divisors (44467).

55152353 is a wasteful number, since it uses less digits than its factorization.

55152353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44466.

The product of its digits is 11250, while the sum is 29.

The square root of 55152353 is about 7426.4630208465. The cubic root of 55152353 is about 380.6460685345.

The spelling of 55152353 in words is "fifty-five million, one hundred fifty-two thousand, three hundred fifty-three".

Divisors: 1 1277 43189 55152353