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55397741 = 716747389
BaseRepresentation
bin1101001101010…
…0110101101101
310212020111102012
43103110311231
5103140211431
65255211005
71241605310
oct323246555
9125214365
1055397741
11292a8163
1216676a65
13b628239
147500977
154ce422b
hex34d4d6d

55397741 has 8 divisors (see below), whose sum is σ = 63692160. Its totient is φ = 47198448.

The previous prime is 55397701. The next prime is 55397759. The reversal of 55397741 is 14779355.

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 55397741 - 214 = 55381357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55397701) 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, 22526 + ... + 24863.

It is an arithmetic number, because the mean of its divisors is an integer number (7961520).

Almost surely, 255397741 is an apocalyptic number.

It is an amenable number.

55397741 is a deficient number, since it is larger than the sum of its proper divisors (8294419).

55397741 is a wasteful number, since it uses less digits than its factorization.

55397741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47563.

The product of its digits is 132300, while the sum is 41.

The square root of 55397741 is about 7442.9658738973. The cubic root of 55397741 is about 381.2097663894.

The spelling of 55397741 in words is "fifty-five million, three hundred ninety-seven thousand, seven hundred forty-one".

Divisors: 1 7 167 1169 47389 331723 7913963 55397741