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56295257 = 503111919
BaseRepresentation
bin1101011010111…
…1111101011001
310220221002120112
43112233331121
5103402422012
65330334105
71252334054
oct326577531
9126832515
1056295257
1129860507
1216a2a335
13b880905
147695a9b
154e20122
hex35aff59

56295257 has 4 divisors (see below), whose sum is σ = 56407680. Its totient is φ = 56182836.

The previous prime is 56295251. The next prime is 56295277. The reversal of 56295257 is 75259265.

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: 75259265 = 515051853.

It is a cyclic number.

It is not a de Polignac number, because 56295257 - 26 = 56295193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56295251) 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, 55457 + ... + 56462.

It is an arithmetic number, because the mean of its divisors is an integer number (14101920).

Almost surely, 256295257 is an apocalyptic number.

It is an amenable number.

56295257 is a deficient number, since it is larger than the sum of its proper divisors (112423).

56295257 is a wasteful number, since it uses less digits than its factorization.

56295257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112422.

The product of its digits is 189000, while the sum is 41.

The square root of 56295257 is about 7503.0165267044. The cubic root of 56295257 is about 383.2574467719.

The spelling of 56295257 in words is "fifty-six million, two hundred ninety-five thousand, two hundred fifty-seven".

Divisors: 1 503 111919 56295257