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55498931 = 1723141941
BaseRepresentation
bin1101001110110…
…1100010110011
310212102122012222
43103231202303
5103201431211
65301311255
71242506315
oct323554263
9125378188
1055498931
1129367194
121670552b
13b662307
1475297b5
154d141db
hex34ed8b3

55498931 has 8 divisors (see below), whose sum is σ = 61318944. Its totient is φ = 49962880.

The previous prime is 55498913. The next prime is 55498951. The reversal of 55498931 is 13989455.

It is a happy number.

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 55498931 - 214 = 55482547 is a prime.

It is a super-2 number, since 2×554989312 = 6160262684285522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55498951) 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, 70580 + ... + 71361.

It is an arithmetic number, because the mean of its divisors is an integer number (7664868).

Almost surely, 255498931 is an apocalyptic number.

55498931 is a deficient number, since it is larger than the sum of its proper divisors (5820013).

55498931 is a wasteful number, since it uses less digits than its factorization.

55498931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141981.

The product of its digits is 194400, while the sum is 44.

The square root of 55498931 is about 7449.7604659479. The cubic root of 55498931 is about 381.4417322449.

The spelling of 55498931 in words is "fifty-five million, four hundred ninety-eight thousand, nine hundred thirty-one".

Divisors: 1 17 23 391 141941 2412997 3264643 55498931