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53123701 = 59278963
BaseRepresentation
bin1100101010100…
…1101001110101
310200221222000111
43022221221311
5102044424301
65134343021
71213354411
oct312515165
9120858014
1053123701
1127a94694
121595aa71
13b010157
1470abd41
1549e5551
hex32a9a75

53123701 has 4 divisors (see below), whose sum is σ = 53138592. Its totient is φ = 53108812.

The previous prime is 53123689. The next prime is 53123713. The reversal of 53123701 is 10732135.

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 a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (53123689) and next prime (53123713).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53123701 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 (53123101) 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, 1446 + ... + 10408.

It is an arithmetic number, because the mean of its divisors is an integer number (13284648).

Almost surely, 253123701 is an apocalyptic number.

It is an amenable number.

53123701 is a deficient number, since it is larger than the sum of its proper divisors (14891).

53123701 is an equidigital number, since it uses as much as digits as its factorization.

53123701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14890.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 53123701 is about 7288.6007573471. The cubic root of 53123701 is about 375.9205850274.

Adding to 53123701 its reverse (10732135), we get a palindrome (63855836).

It can be divided in two parts, 53123 and 701, that added together give a square (53824 = 2322).

The spelling of 53123701 in words is "fifty-three million, one hundred twenty-three thousand, seven hundred one".

Divisors: 1 5927 8963 53123701