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55374739 = 715315167
BaseRepresentation
bin1101001100111…
…1001110010011
310212012022212021
43103033032103
5103133442424
65254512311
71241451250
oct323171623
9125168767
1055374739
1129291952
1216665697
13b61a924
1474d6427
154cdc4e4
hex34cf393

55374739 has 8 divisors (see below), whose sum is σ = 63339008. Its totient is φ = 47423880.

The previous prime is 55374727. The next prime is 55374743. The reversal of 55374739 is 93747355.

It is a happy number.

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

It is not a de Polignac number, because 55374739 - 25 = 55374707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55374695 and 55374704.

It is not an unprimeable number, because it can be changed into a prime (55374749) 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, 8134 + ... + 13300.

It is an arithmetic number, because the mean of its divisors is an integer number (7917376).

Almost surely, 255374739 is an apocalyptic number.

55374739 is a deficient number, since it is larger than the sum of its proper divisors (7964269).

55374739 is a wasteful number, since it uses less digits than its factorization.

55374739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705.

The product of its digits is 396900, while the sum is 43.

The square root of 55374739 is about 7441.4204961150. The cubic root of 55374739 is about 381.1569976857.

The spelling of 55374739 in words is "fifty-five million, three hundred seventy-four thousand, seven hundred thirty-nine".

Divisors: 1 7 1531 5167 10717 36169 7910677 55374739