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53144801 = 791275297
BaseRepresentation
bin1100101010111…
…0110011100001
310201000000221222
43022232303201
5102101113201
65135024425
71213503053
oct312566341
9121000858
1053144801
1127aa9526
121596b115
13b019938
1470b58d3
1549eb91b
hex32aece1

53144801 has 8 divisors (see below), whose sum is σ = 54251520. Its totient is φ = 52049088.

The previous prime is 53144797. The next prime is 53144809. The reversal of 53144801 is 10844135.

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 53144801 - 22 = 53144797 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53144809) 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, 7385 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (6781440).

Almost surely, 253144801 is an apocalyptic number.

It is an amenable number.

53144801 is a deficient number, since it is larger than the sum of its proper divisors (1106719).

53144801 is a wasteful number, since it uses less digits than its factorization.

53144801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5503.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 53144801 is about 7290.0480794025. The cubic root of 53144801 is about 375.9703485935.

Adding to 53144801 its reverse (10844135), we get a palindrome (63988936).

The spelling of 53144801 in words is "fifty-three million, one hundred forty-four thousand, eight hundred one".

Divisors: 1 79 127 5297 10033 418463 672719 53144801