Search a number
-
+
53925121 = 475032281
BaseRepresentation
bin1100110110110…
…1010100000001
310202110200100201
43031231110001
5102301100441
65203445201
71223233045
oct315552401
9122420321
1053925121
1128491818
1216086801
13b230b73
14723a025
154b02c31
hex336d501

53925121 has 8 divisors (see below), whose sum is σ = 55206144. Its totient is φ = 52649760.

The previous prime is 53925107. The next prime is 53925143. The reversal of 53925121 is 12152935.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53925121 - 29 = 53924609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 53925121.

It is not an unprimeable number, because it can be changed into a prime (53925161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22501 + ... + 24781.

It is an arithmetic number, because the mean of its divisors is an integer number (6900768).

Almost surely, 253925121 is an apocalyptic number.

It is an amenable number.

53925121 is a deficient number, since it is larger than the sum of its proper divisors (1281023).

53925121 is a wasteful number, since it uses less digits than its factorization.

53925121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its digits is 2700, while the sum is 28.

The square root of 53925121 is about 7343.3725903021. The cubic root of 53925121 is about 377.8015274349.

The spelling of 53925121 in words is "fifty-three million, nine hundred twenty-five thousand, one hundred twenty-one".

Divisors: 1 47 503 2281 23641 107207 1147343 53925121