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53552151 = 331983413
BaseRepresentation
bin1100110001001…
…0010000010111
310201202201202000
43030102100113
5102202132101
65151450343
71220120502
oct314222027
9121681660
1053552151
1128257584
1215b269b3
13b130183
147180139
154a7c486
hex3312417

53552151 has 8 divisors (see below), whose sum is σ = 79336560. Its totient is φ = 35701416.

The previous prime is 53552131. The next prime is 53552153. The reversal of 53552151 is 15125535.

It is not a de Polignac number, because 53552151 - 26 = 53552087 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1983413 = 53552151 / (5 + 3 + 5 + 5 + 2 + 1 + 5 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53552153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 991680 + ... + 991733.

It is an arithmetic number, because the mean of its divisors is an integer number (9917070).

Almost surely, 253552151 is an apocalyptic number.

53552151 is a deficient number, since it is larger than the sum of its proper divisors (25784409).

53552151 is a wasteful number, since it uses less digits than its factorization.

53552151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983422 (or 1983416 counting only the distinct ones).

The product of its digits is 3750, while the sum is 27.

The square root of 53552151 is about 7317.9335197855. The cubic root of 53552151 is about 376.9284973932.

Adding to 53552151 its reverse (15125535), we get a palindrome (68677686).

The spelling of 53552151 in words is "fifty-three million, five hundred fifty-two thousand, one hundred fifty-one".

Divisors: 1 3 9 27 1983413 5950239 17850717 53552151