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53136077 = 311714067
BaseRepresentation
bin1100101010110…
…0101011001101
310200222120222212
43022230223031
5102100323302
65134520205
71213435451
oct312545315
9120876885
1053136077
1127aa2a15
1215966065
13b015987
1470b2661
1549e9052
hex32acacd

53136077 has 4 divisors (see below), whose sum is σ = 54850176. Its totient is φ = 51421980.

The previous prime is 53136073. The next prime is 53136113. The reversal of 53136077 is 77063135.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 77063135 = 515412627.

It is a cyclic number.

It is not a de Polignac number, because 53136077 - 22 = 53136073 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 (53136071) 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, 857003 + ... + 857064.

It is an arithmetic number, because the mean of its divisors is an integer number (13712544).

Almost surely, 253136077 is an apocalyptic number.

It is an amenable number.

53136077 is a deficient number, since it is larger than the sum of its proper divisors (1714099).

53136077 is a wasteful number, since it uses less digits than its factorization.

53136077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714098.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 53136077 is about 7289.4497048817. The cubic root of 53136077 is about 375.9497749611.

The spelling of 53136077 in words is "fifty-three million, one hundred thirty-six thousand, seventy-seven".

Divisors: 1 31 1714067 53136077