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53488961 = 234749481
BaseRepresentation
bin1100110000001…
…0110101000001
310201122112001122
43030002311001
5102143121321
65150242025
71216435331
oct314026501
9121575048
1053488961
1128214059
1215ab6315
13b10a496
1471650c1
154a688ab
hex3302d41

53488961 has 8 divisors (see below), whose sum is σ = 57003264. Its totient is φ = 50073760.

The previous prime is 53488957. The next prime is 53488993. The reversal of 53488961 is 16988435.

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

It is not a de Polignac number, because 53488961 - 22 = 53488957 is a prime.

It is a super-2 number, since 2×534889612 = 5722137897719042, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53488901) 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, 23660 + ... + 25821.

It is an arithmetic number, because the mean of its divisors is an integer number (7125408).

Almost surely, 253488961 is an apocalyptic number.

It is an amenable number.

53488961 is a deficient number, since it is larger than the sum of its proper divisors (3514303).

53488961 is a wasteful number, since it uses less digits than its factorization.

53488961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49551.

The product of its digits is 207360, while the sum is 44.

The square root of 53488961 is about 7313.6147697291. The cubic root of 53488961 is about 376.7801841093.

The spelling of 53488961 in words is "fifty-three million, four hundred eighty-eight thousand, nine hundred sixty-one".

Divisors: 1 23 47 1081 49481 1138063 2325607 53488961