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52255775 = 52111347311
BaseRepresentation
bin1100011101010…
…1110000011111
310122022212110002
43013111300133
5101334141100
65104004515
71203111125
oct307256037
9118285402
1052255775
11275515a0
121560073b
13aa980a0
146d23915
1548c32d5
hex31d5c1f

52255775 has 48 divisors (see below), whose sum is σ = 77995008. Its totient is φ = 34224000.

The previous prime is 52255759. The next prime is 52255781. The reversal of 52255775 is 57755225.

It is not a de Polignac number, because 52255775 - 24 = 52255759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 167870 + ... + 168180.

It is an arithmetic number, because the mean of its divisors is an integer number (1624896).

Almost surely, 252255775 is an apocalyptic number.

52255775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52255775 is a deficient number, since it is larger than the sum of its proper divisors (25739233).

52255775 is a wasteful number, since it uses less digits than its factorization.

52255775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392 (or 387 counting only the distinct ones).

The product of its digits is 122500, while the sum is 38.

The square root of 52255775 is about 7228.8156014661. The cubic root of 52255775 is about 373.8620913369.

It can be divided in two parts, 5 and 2255775, that multiplied together give a triangular number (11278875 = T4749).

The spelling of 52255775 in words is "fifty-two million, two hundred fifty-five thousand, seven hundred seventy-five".

Divisors: 1 5 11 13 25 47 55 65 143 235 275 311 325 517 611 715 1175 1555 2585 3055 3421 3575 4043 6721 7775 12925 14617 15275 17105 20215 33605 44473 73085 85525 101075 160787 168025 190021 222365 365425 803935 950105 1111825 2090231 4019675 4750525 10451155 52255775