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56253553 = 103546151
BaseRepresentation
bin1101011010010…
…1110001110001
310220211222100221
43112211301301
5103400103203
65325413041
71252101346
oct326456161
9126758327
1056253553
1129832144
1216a0a181
13b867935
1476847cd
154e12abd
hex35a5c71

56253553 has 4 divisors (see below), whose sum is σ = 56799808. Its totient is φ = 55707300.

The previous prime is 56253541. The next prime is 56253557. The reversal of 56253553 is 35535265.

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.

It is a cyclic number.

It is not a de Polignac number, because 56253553 - 25 = 56253521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56253557) 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, 272973 + ... + 273178.

It is an arithmetic number, because the mean of its divisors is an integer number (14199952).

Almost surely, 256253553 is an apocalyptic number.

It is an amenable number.

56253553 is a deficient number, since it is larger than the sum of its proper divisors (546255).

56253553 is a wasteful number, since it uses less digits than its factorization.

56253553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546254.

The product of its digits is 67500, while the sum is 34.

The square root of 56253553 is about 7500.2368629264. The cubic root of 56253553 is about 383.1627832785.

The spelling of 56253553 in words is "fifty-six million, two hundred fifty-three thousand, five hundred fifty-three".

Divisors: 1 103 546151 56253553