Search a number
-
+
53361961 = 139397967
BaseRepresentation
bin1100101110001…
…1110100101001
310201102001211221
43023203310221
5102130040321
65143422041
71215366142
oct313436451
9121361757
1053361961
11281376a4
1215a54921
13b094733
147130ac9
154a40e41
hex32e3d29

53361961 has 8 divisors (see below), whose sum is σ = 53936960. Its totient is φ = 52789968.

The previous prime is 53361947. The next prime is 53361983. The reversal of 53361961 is 16916335.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53361961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53361941) 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, 54700 + ... + 55666.

It is an arithmetic number, because the mean of its divisors is an integer number (6742120).

Almost surely, 253361961 is an apocalyptic number.

It is an amenable number.

53361961 is a deficient number, since it is larger than the sum of its proper divisors (574999).

53361961 is a wasteful number, since it uses less digits than its factorization.

53361961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1503.

The product of its digits is 14580, while the sum is 34.

The square root of 53361961 is about 7304.9271728060. The cubic root of 53361961 is about 376.4817486701.

It can be divided in two parts, 53361 and 961, that multiplied together give a square (51279921 = 71612).

The spelling of 53361961 in words is "fifty-three million, three hundred sixty-one thousand, nine hundred sixty-one".

Divisors: 1 139 397 967 55183 134413 383899 53361961