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54520401 = 3131397959
BaseRepresentation
bin1100111111111…
…0101001010001
310210120220221010
43033332221101
5102424123101
65224321133
71231262415
oct317765121
9123526833
1054520401
1128858a91
12163131a9
13b3abac0
147352d45
154bbe2d6
hex33fea51

54520401 has 8 divisors (see below), whose sum is σ = 78285760. Its totient is φ = 33550992.

The previous prime is 54520399. The next prime is 54520409. The reversal of 54520401 is 10402545.

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

It is not a de Polignac number, because 54520401 - 21 = 54520399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54520409) 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, 698941 + ... + 699018.

It is an arithmetic number, because the mean of its divisors is an integer number (9785720).

Almost surely, 254520401 is an apocalyptic number.

It is an amenable number.

54520401 is a deficient number, since it is larger than the sum of its proper divisors (23765359).

54520401 is a wasteful number, since it uses less digits than its factorization.

54520401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397975.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 54520401 is about 7383.7931309050. The cubic root of 54520401 is about 379.1866282182.

Adding to 54520401 its reverse (10402545), we get a palindrome (64922946).

The spelling of 54520401 in words is "fifty-four million, five hundred twenty thousand, four hundred one".

Divisors: 1 3 13 39 1397959 4193877 18173467 54520401