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50542453 = 133887881
BaseRepresentation
bin1100000011001…
…1011101110101
310112002211012201
43000303131311
5100414324303
65003144501
71152414043
oct300633565
9115084181
1050542453
1126591325
1214b15131
13a6182a0
1469d9393
15468581d
hex3033775

50542453 has 4 divisors (see below), whose sum is σ = 54430348. Its totient is φ = 46654560.

The previous prime is 50542433. The next prime is 50542487. The reversal of 50542453 is 35424505.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35424505 = 57084901.

It can be written as a sum of positive squares in 2 ways, for example, as 14085009 + 36457444 = 3753^2 + 6038^2 .

It is a cyclic number.

It is not a de Polignac number, because 50542453 - 29 = 50541941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50542403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1943928 + ... + 1943953.

It is an arithmetic number, because the mean of its divisors is an integer number (13607587).

Almost surely, 250542453 is an apocalyptic number.

It is an amenable number.

50542453 is a deficient number, since it is larger than the sum of its proper divisors (3887895).

50542453 is a wasteful number, since it uses less digits than its factorization.

50542453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3887894.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 50542453 is about 7109.3215569420. The cubic root of 50542453 is about 369.7306366733.

Adding to 50542453 its reverse (35424505), we get a palindrome (85966958).

The spelling of 50542453 in words is "fifty million, five hundred forty-two thousand, four hundred fifty-three".

Divisors: 1 13 3887881 50542453